Homematic IP key ring remote control for alarm functions This radio remote control that is attached to a key ring is a practical and space-saving option for controlling the Homematic IP sirens and connected sensors. It has function buttons for "presence mode" (alarm in the event of movement / opening only at windows and external entrances), "absent mode (alarm in the event of movements / openings also inside the building)", "disarm alarm" and "light on/off". A battery guarantees around two years of use when used regularly. - Requires connection to the Homematic IP Access Point or CCU3 central control unit - Included: Homematic IP key ring remote control (incl. one battery), key ring, user manual - Power supply: 1 x 1.5 V LR03/Micro/AAA - Radio frequency: 868.0 - 868.6 MHz, 869.4 - 869.65 MHz - Radio range: 200 m outside - Ambient temperature: - 10 °C to + 55 °C - Weight (incl. batteries): 38 g