Built-in reed switch Normally closed external contact input 1 lithium battery included Reliable 433 MHz technology Available in brown housing Case and wall tamper Approval Listings: European CE Directives (EMC, R&TTE, LVD), INCERT (Belgium), NCP (Holland), IMQ (Italy) Livello 1, SBSC (Sweden) Larmklass R, EN50131-2-6, EN50131-6, Grade 2, Class II Environment, ICASA (South Africa), FCC/IC, UL/ULC Wireless Door/Window Contact WS4945* Built-in reed switch Normally closed external contact input 1 lithium battery included Available in brown housing Case and wall tamper * W54945N normally open version available

Built-in reed switch Normally closed external contact input 1 lithium battery included Reliable 433 MHz technology Available in brown housing Case and wall tamper Approval Listings: European CE Directives (EMC, R&TTE, LVD), INCERT (Belgium), NCP (Holland), IMQ (Italy) Livello 1, SBSC (Sweden) Larmklass R, EN50131-2-6, EN50131-6, Grade 2, Class II Environment, ICASA (South Africa), FCC/IC, UL/ULC Wireless Door/Window Contact WS4945* Built-in reed switch Normally closed external contact input 1 lithium battery included Available in brown housing Case and wall tamper * W54945N normally open version available