Frequency:433 MHz Model Number:433mhz Wireless Remote Control Wireless Communication:RF Use:Universal,Lighting,Electric Door,Automated curtains,SWITCH Battery:Including battery Support remote type:EV1527 learning code Remote control:Working frequency: 433Mhz Distance: Less than 50 meters Receiver:Working voltage: 5-12V Working frequency: 433Mhz Feature 1:DC5V-12V Mini Relay Remote Control Feature 2:Learning Button Wireless Receiver Feature 3:Wireless Receiver Transmitter ASK 433Mhz Feature 4:Wireless Remote Control Switch Feature 5:433 Smart Home Tiny Remote Feature 6:For LED Lamp 433Mhz Mini Receiver Colour:As Shown Material:plastic Package Contents: 1 x Receiver 3 x Remote 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.