Works with Skylink Smart ButtonTM Receiver Model GTR (sold separately).
Small enough for carrying in a pocket or purse.
Ideal for convertibles, motorcycles and bicycles.
Operating range of 100 feet and more.
12-volt alkaline battery included.
One year warranty.
Visor Transmitter or built-in transmitters for a car are convenient, but not completely safe if an intruder breaks a window enters the vehicle and acquires the transmitter. A mini or micro keychain transmitter that can be carried in a pocket or purse is more safe and convenient.