3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display (White)

This smart smoke and carbon monoxide alarm continuously checks its sensors, battery status and Wi-Fi connection, sending you real-time push alerts if a problem occurs or a threat is detected, allowing you to act on time to keep your property and home safe, 24/7
This device only measures 5 × 1.4 in (128 × 34.7 mm) and comes in a thin and light design; with the accessories included, it is easy to install, without the need to hire an electrician
When the device is triggered, its siren exceeds 85 dB at 10 ft (3 m) to ensure that it wakes up even the deepest sleepers
Equipped with a photoelectric smoke sensor and an electrochemical CO sensor, this combination alarm provides reliable protection against both smoke and CO; its advanced photoelectric technology allows it to detect smoke more accurately than previous generations of sensors
Easily turn off unwanted alarms with the TuyaSmart or Smart Life app; no need to try and reach the silence button with a broomstick or by climbing up a ladder