Working mode: 1. Inching mode: press the remote controltherelaywill connect, and thenrelease the remote controlto disconnect the relay. 2. Self-locking mode: press the remote controltherelaywill connect, and then press the remote controlagainto disconnect the relay. 3. Interlock mode: press the remote control key A toconnect the relay, and press the remote control key B to disconnect relay. 4. Delay mode: press the remote controltherelaywill connect, release the remote control and start timing. After 5S, 10S and 15S (3 gears), the relay will be automatically closed. Input Voltage: 12 V, RF working mode: Superheterodyne Receiver sensitivity: more than 97 dbm Transmitting distance: more than 100 m ( open space) Decoding mode: MCU software decoding Remote storage: 20 Support remote type: EV1527 learning code Working mode: Momentary, toggle, latching time delay (5s ,10s ,15s ) Output terminal: NO , NC , COM Remote control battery: 2 x 3 V CR2016 button batteries Note: Maximum input power is 12 V Remote programming Colour: transparent color Material: plastic Package Contents: 1 * Receiver module 1 * Type Remote Control (with battery) Only the above package content, other products are not included. Note: Light 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!