ขาย เครื่องตรวจจับการเตือนความจําคาร์บอนมอนอกไซด์จอแสดงผล Lcd เซนเซอร์ตรวจจับแบตเตอรี่ ราคาที่ดีที่สุด

Keep your family safe with this battery powered carbon monoxide alarm. Features: LCD display with blue backlight, with memory feature to indicate the peak alarm level. Quick respond and alarm with loud sound output of 85dB at 3 meters when danger detected. Test/ reset button to test unit' s electronic circuitry & horn and reset the unit during alarm. 3 * AA batteries (NOT INCLUDED) operated for convenience, low power indication, flame-retardant ABS material. It can be quickly installed in your home without requiring an electrician, no wire needed, not hardwired. Sleek profile with glossy white, easy to integrate with home, office, hotel, school, factory, etc.. Specifications: Material: ABS Static Current: <50uA (without LCD); <200uA (with LCD) Alarm Current: <75mA Working Temperature: 5-40°C Working Humidity: 20-90%RH Alarm Concentration: 30ppm: alarm after 2 hrs 50ppm: alarm within 60-90 mins 100ppm: alarm within 10-40 mins 300ppm: alarm within 3 mins Alarm Sound: ≥85dB/ 3m Power Supply: 3 * 1.5V AA Batteries (NOT INCLUDED) Item Size: 9.5 * 3.5cm / 3.74 * 1.38in Item Weight: 81g / 2.85oz Package Size: 10.5 * 10.5 * 4.0cm / 4.13 * 4.13 * 1.57in Package Weight: 110g / 3.88oz Package List: 1 * Detector 2 * Screws 2 * Plastic Insert 1 * Manual