1、Strong Signals: Signals can pass through wall, floors, and doors, steadily controlling the receiver from anywhere at a reliable distance. In the absence of obstacles, the range is up to 50 meters. 2、High Security: Remote control is highly secure, and has a low repetition rate, whichis is easy to set up and learn. When the remote is lost, it can delete old code and relearn new code, so you can always control it. 3、ABS Shell: The shell of the key fob is made of ABS material, which is wear proof and not easy to break. It is durable and has long service life. 4、4 Keys: The key fob is easy to operate and use with 4 keys even for the elderly and children. Small in size and light in weight, the key fob is easy to store and carry. 5、Wide Application: Remote control is suitable for home, shopping mall burglar alarm; electric car, car, motorcycle alarm, all kinds of door control system and other intelligent controller. 1 x Remote Control1 x Key Chain Item Type: Remote ControlMaterial: ABSWeight: Approx. 21g/ 0.74ozWorking Voltage: DC 3VEmission Current: 12MAOperating Frequency: 315MHzTransmission Power: 3-6dBmLaunching Distance: 50M (open environment)Modulation Mode: ASK Copy Chip Range: 2260 2264 2262 2240 1527 1528, etcBattery: 2 CR2016 button batteries 150mAh (included)