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: *Easy to install and combine with the transmitter,with a hook on the transmitter,very convenient to use. *Wide using scope, it can connect to the electronic control lock, intercom doorbell, garage door, light, automatic door/window, household appliances for security system, etc. *High receiver sensibility. You can connect or disconnect the receiver to the transmitter within a distance of confidence. *Super small size, taking up very little space. The receiver board size is only about 4*4*2.6cm. *Stable and reliable, stable performance.Can pass through walls, floors and doors, control receiver from any place within a reliable distance. Receiver Specifications: Channels: 1 Input Power: DC12V Static working current: 10mA Output Current: 10A RF Frequency: 433MHz Output Power: DC/AC Optional Coded System: Fixed Code (2260 Chip) Receive sensitivity: -95dB Working mode:Inching/self-locking/interlock function(adjustable) Receiver Board Size: Approx. 4*4*2.6cm Receiver Board Weight: Approx.27g Remote Control Specifications: Frequency: 433MHz Range: 50m (open area) Modulation: ASK amplitude modulation Batteries: 2*CR2016 3V (included) Quantity: 1PCS Remote Control Size: Approx. 6*3.5*1cm Remote Control Weight: Approx. 20g Package Information: Package Size: Approx.12.5*9*3cm/4.92*3.54*1.18in Package Weight: Approx. 48g/1.69oz Package List: 1* Receiver Board 1* Remote Controller 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.