Catalog > Consumer Electronics > Security & Alarms > Alarms > Miscellaneous Catalog > Consumer Electronics > Security & Alarms > Alarms > Alert Systems Catalog > Consumer Electronics > Security & Alarms > DSC Alarms DSC 433MHz Wireless Door Contact Wireless Door Contact DSC 22WS4945W DOOR CONTACT 433MHZ WIRELESS N/C CASE AND WALL TAMPER BATT INCL Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Built-in reed switch Normally closed external contact input 1 lithium battery included Case and wall tamper 433Mhz/ 868Mhz Specifications Dimensions : 75 mm x 31 mm x 22 mmBattery : CR2 (3V Lithium)Battery Life : 5-8 Years (Typical)Operating Temperature : 0 to 49°C (32-120 °F)Operating Humidity : 5-93% RH Downloads Datasheet - DSC 22WS4945W PDF File 265.43 KB