The wireless smoke detector is an accessory of the Kite smart alarm system. This product responds well to the smoke of smouldering and burning. With build-in photoelectric smoke sensor it will trigger a powerful 85dB alarm when the smoke density reaches the alarm threshold. Thanks to its using unique design and MCU to work with photo-electricity signal it is dust-proof pest-proof anti-optical interference etc.It's easy to setup reliable and safe. It's fashionably designed energy saving low battery warning supported and with long transmission distance. The system informs users to replace the battery by App when needed and it's easy to setup.