Power supply: DC10V30V Standby current: 40mA Fingerprint capacity: 200 pieces Relay Function: 120 seconds or Self-locking Mode (Finger passed relay closed, finger passed again relay opened) Instructions for K215-V1.3 control board: 1. Register Fingerprint: Press SET button shortly, system enters register state and blue indicator light flashes fast. Place your finger in the area. Fingerprint registration is successful when music is heard. Fingerprint can be registered continuously while in register state. If no more fingerprints need to be added, wait a few seconds. 2. To restore factory default, press SET button until you hear "Di" and music, indicating initialization is successful. 3. Mode Selection Usage: - When set to mode 2, the relay operates for 120 seconds after fingerprint is passed; duration can be adjusted by knob. - When set to mode 1, the relay activates when fingerprint is passed, and deactivates when fingerprint is passed again; operation and release occur alternately. Relay deactivates when power is off. Note: In factory default status, any fingerprint can pass. After registering fingerprints, this function is disabled. R503 upgraded to waterproof version, waterproof rating: IP65 In environments with large temperature fluctuations, the adhesive may be affected, which could impact waterproof performance. Color: Silver Material: Metal Package Contents: 1 x K215 Control Board 1 x R503 Fingerprint Module Only the above items are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 13 cm.