Features:
* Based on the Bravo 3-D hardwire motion detector
* High-traffic shutdown
* WS4904PW features pet immunity up to 27 kg (60 lbs)
* One lithium battery included
* Approval listings: European CE Directives (EMC, R&TTE, LVD), INCERT (Belgium), NCP (Holland), IMQ (Italy)
* Livello 1, SBSC (Sweden) Larmklass R, EN50131-2-2, EN50131-6, Grade 2, Class II Environment, ICASA (South Africa), FCC/IC, UL/ULC