The XC-70 is an easy to use and reliable self-contained carbon monoxide alarm, using superior electrochemical cell sensing technology to prevent accidents caused by carbon monoxide. Battery-powered, with the long-life lithium battery sealed inside the detector to avoid tampering and eliminate the need for maintenance. • Gas detected : CO carbon monoxide. • Detection principle : Ecosure® electrochemical cell. • Alarm levels : ≥ 43 ppm* : around 75 minutes. ≥ 100 ppm* : around 25 minutes. ≥ 300 ppm* : around 90 secondes. • Separate indicators for each unit state : alarm, power, fault, ventilate (pre-alarm) • Buzzer output : > 90 dB at 1 metre. • Operating temperature : -10° C to +45° C. • Humidity range : 30 to 90 % (without condensation) • Automatic switch on • Your CO alarm has an automatic self-test function for the electronics, which is performed every 60 minutes. • Protection level : IP44 • Approval/conformity: EN50291: 2010 and BSI Kite • End of alarm life warning • Battery lifespan : 7 years • Dimensions : 100 x 72 x 36 mm • Weight : 135 g * ppm : parts per million