Fingerprint module is activated by finger induction;Registering fingerprints is very simple, just press the SET button to register fingerprints;The relay time can be adjusted by rotating the buttonRegistering fingerprints is very simple, just press the SET button to register fingerprints;Can store up to 120 fingerprintsK202 is designed for low consumption, the supply is DC10-24V, the relay time can be adjusted by rotating the button, the relay time: 0.5-13 seconds.Registering fingerprints is very simple, just press the SET button to register fingerprints, and then long press the SET button to restore the factory default settings.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 collection area, fingerprint registration is successful when listening to music. When the system is in the registration state, you can register fingerprints continuously; if you do not need to add fingerprints, please wait a few seconds.2. Return to factory default:Press the SET button until you hear a long "Di" beep and music, indicating the initialization operation was 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. :Press the finger, the relay closes after the fingerprint passes, and the closing time is determined by K2.Technical Parameters:P1: supply: DC10-24VOutput: Relay (Max current: 10A)Standby current: 15uAFingerprint capacity: 120Size: 64.4 * 25.4mmP2: 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)Colour:Blue + BlackMaterial:PCBPackage Contents:1 * Fingerprint control boardNote:1. In the standby state, all the indicators are off, and in the working state, the indicators are on;2. Any fingerprint can be used in the factory state, but this function will be invalid after the fingerprint is registered.K202 can be used with R300, R301T, R303, R303T, R305, R306, R307, R501, R502, R502-A, R502-AW, R503 fingerprint modulesOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.