3pcs 433MHz DC 12V One Key Gate RF Wireless Remote Control Garage Door Transmitter

Feature: Dimensions: outer diameter 45mm, button diameter 30mm Frequency: 433MHz Voltage: 6V (built-in two CR2016 button batteries) Chip: Learning code ev1527 Color: White Case material: Plastic Operating current: 10MA Key number: 1 Key Emission Distance: 20-50m (Open area) Matching stickers can be attached anywhere. Application range: Garage door, entrance guard, the open and close of the car truck, the modifications of wireless video and the doorbell. Light /lamp wireless remote control, the wireless remote control of the home appliances switch, windows, electric control lock, etc. Package includes: 3 x Wireless Remote Control