DSC WS4913 Wireless CO Detector Colorless, tasteless, odorless but deadly, carbon monoxide (CO) is impossible to detect without a warning device. The WS4913 provides frontline protection against the silent threat of carbon monoxide poisoning. Slim-line design Built-in 85dB alarm at 10 ft (3 m) Malfunction supervision Low sensitivity supervision Electrochemical sensing technology Transmits RF status, low battery and tamper condition Hush feature Wall tamper 4-5 year battery life Onboard LEDs indicate: * Red ? Alarm * Yellow ? Trouble * Green ? Power * Amber ? Warm Up End-of-Life (EOL) indicator (5 year) Low battery supervision Compatible with Impassa and PowerSeries v4.5 & higher Reliable 433 MHz and 868 MHz technology
