Honeywell evohome Security Panic Button (TCPA1BS) is ideal for elderly or vulnerable people who may need to trigger an alarm in case of an emergency. The key fob can be attached to a keychain or belt clip ; it can also be worn as a pendant or wristband. Multi-wear accessories included: keychain, belt clip, wall mount, pendant and wristband. Dust and waterproof up to ip67 rating makes this compact panic button suitable for use in a variety of environments. Wireless and easy to install. Range 1000m. 868MHz. Panic button feature. Fully expandable system - up to . Pack includes: LED indicators. Batteries; fixings and installation DVD. Batteries required: 1 x CR2032 (included), . Size H3.9, W3.9, D1.4cm. Weight 14g. Manufacturers 2 year guarantee.