(( located near Munster in SW section )) The Kidde C3010-D is a ten-year sealed battery CO alarm that includes a digital display feature and uses electro-chemical sensing technology to protect your family from carbon monoxide. The C3010-D will automatically activate when attached to the mounting bracket. At the end of its ten-year alarm life, the unit will chirp, indicating need for replacement. A screwdriver can be used to deactivate the unit, stopping the end-of-life chirp and making it safe for disposal. The inside cover of the mounting bracket features a quick reference guide for what to do in case of an alarm. This easy-to-install alarm is suitable for all living areas and has a ten-year life and limited warranty. Technical Details Weight 835 g Dimensions 11.4 x 3.8 x 7 cm Batteries: 1 Lithium ion battery required (included) Colour White Battery Life 87,600 hours Unit displays the level of carbon monoxide every 15 seconds. A flashing red light indicator blinks in conjunction with alarm sound, unit error mode and standby condition. The green LED flashes every 30 seconds. CSA Listed Power: sealed 3V Lithium Battery Sensor: Electrochemical Audio Alarm: 85dB at 10' Temperature: 4.4̊C (40̊F) to 37.8̊C (100̊F) Humidity: 10% - 95% relative humidity (RH), non-condensing