Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features: *Very convenient to use, simple wiring diagram connection way. *Support remote control up to 20 pieces. Super small body, and it occupies less space. *It can connect to the electronic control lock, light, electric curtain, etc. So that it can remote unlock the door, close the light, open or close the curtain, etc. *The working mode can be changed by yourself: you can switch to momentary, toggle, latching three modes as you need. *Learning pair code: it can work with any remote control with the same frequency, so you needn't worry about losing remote control any more. (If the remote control is lost, buy one and pair with the PCB board is OK.) Specifications: Input Power: DC10V-14V Standby Current: 97 dbm Transmitting distance: 100m （open area） Decoding mode: MCU software decoding Remote control storage: up to 20 PCS Working mode: Momentary, Toggle, Latching Wiring type: fixed terminal Output Terminal: NO , NC , COM Remote Control battery: 2* 3V button batteries (included) Supporting Remote Control Type: learning code (1527 chip) Package Information: Package Size: Approx. 13*9*3cm/5.12*3.54*1.18in Package Weight: Approx. 50g/1.8oz (with 1PCS Remote Control) Package Weight: Approx. 70g/2.5oz (with 2PCS Remote Control) Package List: 1* Receiver Board 1* Fuse Box 1/2* Remote Control Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.