1. Input voltage: DC 6V~30V 2. Receiving frequency: 433MHz 3. Standby current: 5mA 4. Compatible chip: EV1527 5. Receiving sensitivity: -108dbm 6. Remote control distance: 20-50m 7. Working mode: jogging, interlocking, self-locking, two-way jogging + two-way self-locking, two-way self-locking + two-way interlocking, two-way jogging + two-way interlocking. (All methods are selected by the controller buttons) 8. Terminals: NO (normally open), COM (common), NC (normally closed) 9. Extreme working temperature: -15~75°C 10. Modulation method: ASK 1. (+V-Positive input of power supply) 2. (GND-power supply negative input) 3. (1 relay normally open terminal) (2 relay common terminal) (3 relay normally closed terminal) 4. (4 relay normally open terminal) (5 relay common terminal) (6 relay normally closed terminal) 5. (7 relay normally open terminal) (8 relay common terminal) (9 relay normally closed terminal) 6. (10 relay normally open terminal) (11 relay common terminal) (12 relay normally closed terminal) Colour:As shown Material:ABS Package Contents: 2 x Relay 2 x Module 4 x remote control Only 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.