Sell wholesale 2in1 Smoke Alarm Carbon Monoxide Detector for Company Supermarkets best price

Applicable to companies bars supermarkets and other places. It can detect two gases smoke and carbon monoxide. Use a high-precision electrochemical sensor to alert you to a carbon monoxide hazard. Photoelectric sensors detect smoke while minimizing smoke alarm false alarms. The LCD display shows the concentration of PPM and is monitored in real time to protect your safety. Description: Size: about 10.4*3.9cm/4.09*1.53 in Weight: 179g Alarm mode: sound + light double reminder Voltage: 4.5V Power: 3*AA battery (not included) Material: ABS fireproof plastic Package includes: 1 pc of alarm 1 pc of English manual 1 set of mounting accessories 2in1 Smoke Alarm Carbon Monoxide Detector for Company Supermarkets 105297649-7725842216