Hanwei CM100 Battery-Operated CO Alarm
Ultra-sensitive electrochemical sensor detects low CO levels (30-999 ppm) with 85dB alarm. Maintenance-free for 5 years with sealed lithium battery. Compact 3.1" x 1.5" polycarbonate housing resists corrosion. Auto-calibration ensures accuracy (±5% deviation). Ideal for RVs, cabins, and dorm rooms—no hardwiring needed. Meets UL2034/EN50291 standards. Backlit LCD displays real-time CO concentration. Tamper-proof design with mounting bracket included. Global wholesale pricing—bulk orders ship same day. Tested for extreme temps (-4°F to 122°F). Low battery alert with 30-day grace period.