Sell Panasonic SH28455911 Smoke Detector & Voice Alarm Panasonic Smoke Detector best price

Panasonic Smoke Detector & Voice Alarm Panasonic Smoke Detector MODEL: SH28455911 Slim Smoke & Voice Alarm with Long-life-battery Warning alarms from anywhere Dimensions: 100 x 44 mm Weight: Approximately145 Grams Operating temperature0 ° C to + 50 ° C Installation Locations: Ceiling or Wall With a loudness of 87 dB at a distance of 1 meter from the device (the highest level of sound can be heard) (passed the measurement standards of the company) and the "Whiz-Whiz" beep at a frequency of 0.3Kh to 0.4kH. The elderly and children Long life battery lasting for about 10 years. Voice alarm will also notify when battery is running out. Automatic testing function. The operating conditions of the smoke detection part will be automatically tested & will notify by voice alarm when there is a problem.