// https://ajax.systems/ru/products/doorprotectplus/ Installation method: Indoors Compatibility: Operates with all Ajax hubs and range extenders Sensing element: Reed switch, accelerometer Alarm signal delivery time: 0.15 s Activation threshold: Small magnet — 1 cm; Big magnet — 2 cm; Tilt: more than 5° Power supply: Battery: CR123A battery, 3 V Battery life: Up to 5 years Temperature sensor: Available Operating temperature range: From -10°С to +40°С Permissible humidity: Up to 75% Sensor resource: 2,000,000 openings