Brk Smi105-Ac Smoke Alarm,2.25 In H,5.69 In W,Pk6
Smoke Alarm, Battery Chemistry Lithium, Battery Location Side, Battery Locking Pin Yes, Battery Size 10-Year Factory Locked Battery Backup, Communication Protocol Hardwired, Compatible With 1039102, 7010, 7010B, 7010BSL, 7020B, 7020BSL, 7030BSL, 9120, 9120B, HD6135FB, RM4 (Relay Modules), SA520, SC7010B, SC7010BV, SC9120B, SM100V-AC, SM300-AC, SM500-AC, SMCO100V-AC, SMI100-AC, SMI105-AC and BRK Smoke Alarm Models 3120B, SMI110LED-AC, SMICO100-AC, SMICO105-AC, SMICO110LED-AC.