Fingerprint module is activated by finger induction;The relay time can be adjusted by rotating the button;Registering is simple, just press the SET button to register ;The product is and easy to install;Can up to 120 K202 is designed for low power consumption, the power supply is DC10-24V, the relay time can be adjusted by rotating the button, the relay time: 0.5-13 seconds.Control board description:1.SET button:Short press the SET button, the blue indicator light flashes quickly, the system enters the registration state, put your finger in the fingerprint area, fingerprint registration is successful when to music. When the system is in the registration state, you can register continuously; if you do not need to add , wait a few seconds.2. Return to default:Press the SET button hear a long "Di" beep and music, indicating that the initialization operation successful.3. Set the relay time:Turn K2 to set the closing time of the relay to 0.5 to 13 seconds. The relay is a contact output, a switching signal, and no voltage output;4. Use:Press the finger, the relay closes after the fingerprint passes, and the closing time is determined by K2.Technical Parameters:P1: Power supply: DC10-24VOutput: Relay (Max current: 10A)Standby current: 15uAFingerprint capacity: 120P2: MX 1.0mm pitch 6-pin fingerprint module (can be connected to R502, R502-A, R503)P3: MX 1.25mm pitch 6-pin fingerprint module (can be connected to R300, R301T, R303, R303T, R305, R306, R307, R501)size: 64.4 x 25.4mmColour:blackMaterial:PCB+electronic componentsSize:64.4 x 25.4mmPackage Contents:1 x Fingerprint control board1 x R503 Fingerprint moduleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.