*3* 1.5V AA battery *Electrochemical CO sensor *Low bat and malfunction Indicator *self test function *CE and EN50291

Carbon Monoxide Detector RCC425

Features: * Motorola IC control, Reliable without false alarming* Field audio and visible alarming* Simple installation* Excellent reliability & high stability* Self test function* Durable sensor head* Less affected by other organic solvent* High Accuracy* CE and EN50291 Standard

Engineering Specification:* Power Supply: 3*1.5V AA batteries* Sensor: Electrochemical CO sensor* Alarm Style: Per EN50291* Sensitivity/Alarm Time:Within 60~90 minutes @ 50ppm CO concentration;Within 10~40 minutes @ 100ppm CO concentration;Within 3 minutes @ 300ppm CO concentration* LCD Displayer (optional): 4 digits LCD displayer* Audibility: 85dB ( at 1m distance ), Frequency 3±0.5KHZ* Led Indication /Sound Pattern:Standby: Green Led flashes once every 30 secondsAlarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,* Low-bat Indicator:Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD* Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD* Power consumption: 0.3mW* Dimension 100mm*40mm, Weight: 0.2kg* Comply With: CE, EN50291

3* 1.5V AA battery operated,Electrochemical CO sensor,Carbon Monoxide Detector RCC425