HASTHIP Smoke Detector with Alarm Fire-Retardant ABS Smoke Detector with 80db Alarm Sound Smart WiFi Smoke Alarm with Auto App Push Notification, Battery Powered for Home Office Bedroom Nail Care it ensures that even those

it ensures that even those with hearing impairments can easily notice when someone is at the door

Note: the installation gap between door

Snap-lock system ensures no risk of components falling out or getting loose during travel

Designed with fine craftsmanship

The suction cup is made of PVC

HASTHIP Smoke Detector with Alarm Fire-Retardant ABS Smoke Detector with 80db Alarm Sound Smart WiFi Smoke Alarm with Auto App Push Notification, Battery Powered for Home Office Bedroom Nail Care it ensures that even thoseWIFI SMART SMOKE DETECTOR WITH ALARM: Upgrade smart wifi smoke alarm for home, 360 photoelectric sensor provides a all directional smoke detection. Built in IC chip, this wifi smart smoke alarm can auto push alarm notification to your APP, let you know the situation in time. Once the smoke concentration over the safe range, the smart alarm will have flash light and 80db sound alarm.[NOTE: Batteries are not included] RELIABLE HIGH SENSTIVE SENSOR: