Bosch RFKF-FB-A Four Button Wireless Keyfob None

Water and dust resistant Arm, disarm and panic functions Assigned by user for accurate reporting of open close signals LED indicator Programmable option buttons (only available on 4-button model) Dimensions 63.7 mm x 35.5 mm x 13.0 mm (2.51 in x 1.40 in x 0.51 in) Power/voltage One CR2032 Lithium battery, 3 VDC Battery life Up to 5 years Temperature Functional range: -10°C to +49°C (+14°F to +120°F) Relative humidity Up to 93% non-condensing Frequency 433.42 MHz Use Intended for indoor use.