<ul class="" style="margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding: 0px; list-style: none; overflow: hidden; columns: auto 2; column-gap: 32px; color: rgb(0, 0, 0); font-family: Roboto, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, Helvetica, sans-serif; font-size: 12px;"><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Finger/RFID Print Capacity: 2,000</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Record Capacity: 1,00,000</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Proximity or smart card reader (optional)</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Built in Serial, Ethernet and USB Ports</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Algorithm version: ZK Finger v 2.31</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Hardware Platform: ZEM510</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Sensor: ZK Optical Sensor</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Communications: RS232/485, TCP/IP, USB-Host, USB-client</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">Built in Battery Backup</li><li class="" style="margin: 0px; padding: 0px 0px 0px 15px; position: relative; font-size: 14px; line-height: 18px; text-align: left; list-style: none; word-break: break-word; break-inside: avoid;">193.6 x 146.8 x 111 mm</li></ul>

<ul style="box-sizing: inherit; margin-right: 0px; margin-bottom: 1em; margin-left: 20px; padding: 0px; font-size: 18px; line-height: 1.5; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;"><li style="box-sizing: inherit;">Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz</li><li style="box-sizing: inherit;">2GB LPDDR4-3200 SDRAM (depending on model)</li><li style="box-sizing: inherit;">2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE</li><li style="box-sizing: inherit;">Gigabit Ethernet</li><li style="box-sizing: inherit;">2 USB 3.0 ports; 2 USB 2.0 ports.</li><li style="box-sizing: inherit;">Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards)</li><li style="box-sizing: inherit;">2 × micro-HDMI ports (up to 4kp60 supported)</li><li style="box-sizing: inherit;">2-lane MIPI DSI display port</li><li style="box-sizing: inherit;">2-lane MIPI CSI camera port</li><li style="box-sizing: inherit;">4-pole stereo audio and composite video port</li><li style="box-sizing: inherit;">H.265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)</li><li style="box-sizing: inherit;">OpenGL ES 3.0 graphics</li><li style="box-sizing: inherit;">Micro-SD card slot for loading operating system and data storage</li><li style="box-sizing: inherit;">5V DC via USB-C connector (minimum 3A*)</li><li style="box-sizing: inherit;">5V DC via GPIO header (minimum 3A*)</li><li style="box-sizing: inherit;">Power over Ethernet (PoE) enabled (requires separate PoE HAT)</li><li style="box-sizing: inherit;">Operating temperature: 0 – 50 degrees C ambient</li></ul><p style="box-sizing: inherit; margin-bottom: 1em; letter-spacing: normal; padding: 0px; font-size: 18px; line-height: 1.4; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;">*A good quality 2.5A power supply can be used if downstream USB peripherals consume less than 500mA in total.</p><p style="box-sizing: inherit; margin-bottom: 1em; letter-spacing: normal; padding: 0px; font-size: 18px; line-height: 1.4; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;">Here's how to setup Raspberry Pi 4 for the first time:&nbsp;<a href="https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up" style="background-color: rgb(255, 255, 255); font-family: Roboto, sans-serif, Helvetica, Arial, sans-serif; font-size: 13px;">https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up</a></p>

<h3 class="fs18 mt30 mb10 color" style="font-family: arial; line-height: 22px; color: rgb(51, 51, 51); margin: 30px 0px 10px; font-size: 18px; padding: 0px;">Features:</h3><ul style="margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: arial; font-size: 16px;"><li style="margin: 0px 0px 0px 17px; padding: 0px; list-style: outside;">Slim design, security and stability, low power consumption.</li><li style="margin: 0px 0px 0px 17px; padding: 0px; list-style: outside;">Designed with the open frame type and mount board, easy to installation.</li><li style="margin: 0px 0px 0px 17px; padding: 0px; list-style: outside;">Connected to a stable power supply, the central slug will be drawn and open when it’s energized. And when it is not energized, the slug will stick out and close. It doesn’t use any power in this state.</li><li style="margin: 0px 0px 0px 17px; padding: 0px; list-style: outside;">Suitable for doors, file cabinets, display cabinets, lockers, drawers, etc.</li></ul><p style="margin-bottom: 0px; letter-spacing: normal; font-family: arial; padding: 0px; color: rgb(51, 51, 51); font-size: 16px;"><br></p><p style="margin-bottom: 0px; letter-spacing: normal; font-family: arial; padding: 0px; color: rgb(51, 51, 51); font-size: 16px;"><span style="font-weight: bold;">Package Included:<br style="margin: 0px; padding: 0px;"></span>1 × Electric Cabinet Lock</p>

<br>

<ul style="box-sizing: inherit; margin-right: 0px; margin-bottom: 1em; margin-left: 20px; padding: 0px; font-size: 18px; line-height: 1.5; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;"><li style="box-sizing: inherit;">Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz</li><li style="box-sizing: inherit;">2GB LPDDR4-3200 SDRAM (depending on model)</li><li style="box-sizing: inherit;">2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE</li><li style="box-sizing: inherit;">Gigabit Ethernet</li><li style="box-sizing: inherit;">2 USB 3.0 ports; 2 USB 2.0 ports.</li><li style="box-sizing: inherit;">Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards)</li><li style="box-sizing: inherit;">2 × micro-HDMI ports (up to 4kp60 supported)</li><li style="box-sizing: inherit;">2-lane MIPI DSI display port</li><li style="box-sizing: inherit;">2-lane MIPI CSI camera port</li><li style="box-sizing: inherit;">4-pole stereo audio and composite video port</li><li style="box-sizing: inherit;">H.265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)</li><li style="box-sizing: inherit;">OpenGL ES 3.0 graphics</li><li style="box-sizing: inherit;">Micro-SD card slot for loading operating system and data storage</li><li style="box-sizing: inherit;">5V DC via USB-C connector (minimum 3A*)</li><li style="box-sizing: inherit;">5V DC via GPIO header (minimum 3A*)</li><li style="box-sizing: inherit;">Power over Ethernet (PoE) enabled (requires separate PoE HAT)</li><li style="box-sizing: inherit;">Operating temperature: 0 – 50 degrees C ambient</li></ul><p style="box-sizing: inherit; margin-bottom: 1em; letter-spacing: normal; padding: 0px; font-size: 18px; line-height: 1.4; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;">*A good quality 2.5A power supply can be used if downstream USB peripherals consume less than 500mA in total.</p><p style="box-sizing: inherit; margin-bottom: 1em; letter-spacing: normal; padding: 0px; font-size: 18px; line-height: 1.4; color: rgb(34, 34, 34); font-family: Rubik, sans-serif;">Here's how to setup Raspberry Pi 4 for the first time:&nbsp;<a href="https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up" style="background-color: rgb(255, 255, 255); font-family: Roboto, sans-serif, Helvetica, Arial, sans-serif; font-size: 13px;">https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up</a></p>

<ul style="margin-bottom: 1rem; color: rgb(104, 108, 111); font-family: &quot;open sans&quot;, HelveticaNeue-Light, &quot;helvetica neue light&quot;, &quot;helvetica neue&quot;, Helvetica, Arial, &quot;lucida grande&quot;, sans-serif; font-size: 14px; letter-spacing: -0.14px;"><li>The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma</li><li>The working voltage of 3.3V to 5V</li><li>Output form: digital switch output (0 and 1)</li><li>Has a fixed bolt hole, convenient installation</li><li>Small board PCB size: 3.2cm x 1.4cm</li><li style="margin-bottom: 0px;">Use the LM393 wide voltage comparator<ul><li>No vibration, vibration switch is closed on state, the output terminal output low level, the green light is lit</li><li>Detected vibration, output high level, the green light is not lit</li><li style="margin-bottom: 0px;">Output can be directly connected to microcontroller,&nbsp; to detect the high and low level, thus to detect whether there is a vibration environment or not.</li></ul></li></ul>