Feature●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●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●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●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●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 electricianDescription AEGISLINK Wi-Fi Combination Smoke and Carbon Monoxide Detector, SC-WF240, 3 Pack, S-WF240, 1 Pack