Battery operated - 9v.Low battery, peak level and fault warnings. Audible and visual alarm. Test/reset button. Wall-mounted and freestanding. Digital display 10-99ppm. Wi-safe remote warning handset - optional extra. Size: H9 x W12 x D3.5cm
CommentsGood points: Alarm triggered within three minutes and noise level was over 85db during testing. Compact and discreet alarm that can be wall-mounted or freestanding. The display is clear and easy to read. It records the peak level of CO reached over the past four weeks - useful if you are away on holiday. Wi-safe capability. Thorough instructions.