DESC: Description These small, powerful touchpads provide convenient portable control over security system, lights, panic, and garage door functions of your security system. Features: Light control capability, Auxiliary panic button, Key chain ring included, Specifications, Color: Black Dimensions: 1.4" wide, 2.25" high, .38" deep Battery: 12 VDC, 33 mAh alkaline battery (included) Battery life: 5-8 years Operating temp: 10°-120°F Item Code: NX470