Wireless Passive Infrared Detector Features WS4904P replaces the WLS904PL-433 Based on the Bravo® 3D hardwire motion detector High-traffic shutdown WS4904P features pet immunity up to 60 lb (27 kg) 1 lithium battery included
Wireless Photoelectric Smoke Detector Automatic drift compensation Built-in, dual-sensor heat detector with fixed heat and rate of rise (non UL listed) Built-in 85dB horn Local test button Low profile design High/Low sensitivity reporting Low battery indication Easy-maintenance removable smoke chamber Long-life lithium batteries included Reliable 433 MHz...
Externally visible LED that indicates smoke detector status A built-in sounder for alarm alerts Supervised for low-battery, tamper, and removal from mounting surface tamper conditions Operational up to 5 years using two user replaceable CR123A Lithium batteries
Quad beam detection Environmental discrimination circuit Beam power control to reduce cross-talk
Dual beam detection improves false alarm immunity Range up to 90 m (300 ft) outdoors, 180 m (600 ft) indoors Selectable response time Small unobtrusive design