[NEVER USED] Household LCD Digital Carbon Monoxide Detector CO Alarm CO Sensor Monitor

Product never used, packaging damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available.Features: 1. The LCD displays the CO concentration. 2. The use of a high-quality electrochemical CO sensor makes it more accurate, reliable, and repeatable. 3. Ultra-bright LED display: Flashes every 50 seconds to indicate standby status, fast flashing to indicate detector alarm. 4. Loud buzzer output with high volume, up to 85 dB at 3 meters. 5. Test/Reset button for testing the device electronics and checking proper device operation and resetting the device during an alarm. Specification: Features: The LCD displays the CO concentration. The use of a high-quality electrochemical CO sensor makes it more accurate, reliable, and repeatable. Ultra-bright LED display: Flashes every 50 seconds to indicate standby status, fast flashing to indicate detector alarm. High volume buzzer, up to 85dB at 3 meters distance. Test/reset button for testing the device electronics, checking proper device operation, and resetting the device in case of alarm. Green and red LED lights indicating normal operation and alarm status Specification: Standby current: ≤50uA Battery: 3pcs x 1.5V battery (NOT included) Alarm concentration: When the concentration is 50ppm, the alarm will trigger within 60-90 minutes. When the concentration is 100ppm, the alarm will trigger within 10-40 minutes. When the concentration is 300ppm, the alarm will trigger within 3 minutes. Alarm current: Size: Approx. 10 * 3.5 cm / 3.9 * 1.4 inch Weight: Approx. 110 g / 3.9 oz Package list: 1 x CO alarm 2 set x screw