P1: Power supply:DC10V--30V P2: Output:Relay(Max. current: 10A) P3: MX 1.0-6P Fingerprint Module (can connect R502,R502-A,R503) P4: MX 1.25-6P Fingerprint Module (can connect R300,R301T,R302,R303,R303T,R305,R306,R307,R501) Standby current:6mA(DC12V) Fingerprint capacity:300 pieces 1. SET Button: (1)Press SET button shortly,system in register state and indicator light flash fast, press two times for each fingerprint, fingerprint register successful when hearing music.Fingerprint can be registered continuously when system in register state; if no need adding fingerprint more, waiting 8 seconds.(Fingerprint capacity is 100 pieces when press SET button,the registered fingerprints are stored in database 01) (2)When back to factory default, press SET button until hear Di long beep and music,means initialization operation successful 2. Remote Control: (1)Red indictor lighted means in programming stated, music means operation successful, default password: 123456,password length: 6numbers Colour:Silver,Black Material:Plastic, metal Package Contents: 1 * Control System Only the above package content, other products are not included. Note: Light shooting 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.