Made for heavy-duty use
Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving
Lightweight Compact Design
Lock-On Switch Yes
BRK SMICO100-AC Smoke and Carbon Monoxide Alarm, Carbon Monoxide/Smoke, Removable Battery, Battery Backup 2VFL5 Made for heavy-duty useSmoke and Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Side, Battery Locking Pin Yes, Battery Size 9V, Communication Protocol Hardwired Interconnect, Compatible With 1039102, 3120B, 7010, 7010B, 7010BSL, 7020B, 7020BSL, 7030BSL, 9120, 9120B, CO5120BN, CO5120PDBN, HD6135FB, RM4, SA520, SC7010B, SC7010BV, SC9120B, SLED177, SM100V AC, SM110LED AC, SM300 AC, SM500 AC, SMCO100V AC, SMCO110LED AC, SMI100 AC, SMI105 AC, SMICO100 AC,