80dB Smart Door Window Sensor

Dimensions: standard magnetic contact sensor size (approx. 52 x 20 x 14 mm for main unit, 36 x 12 x 14 mm for magnet); weight: approx. 35 g; operating gap: ≥15 mm; power supply: 2 × AAA 1.5V alkaline batteries (not included); standby current ≤180 µA, alarm current ≤70 mA; sound output: 80 dB at 1 metre distance; operating temperature: -10°C to 55°C; operating humidity: 10–90% RH; Wi-Fi: IEEE 802.11 b/g/n, 2.4 GHz only; housing material: white ABS plastic. The sensor delivers local audible alarm and remote app notifications via Tuya Smart or Smart Life apps. It supports both Wi-Fi-connected operation (for real-time alerts and smart home integration) and standalone use — when Wi-Fi is unavailable, arm/disarm is fully functional using the physical button on the device. Low battery indicator alerts users in advance to replace batteries. Fully compatible with other Tuya-certified smart devices for automation triggers (e.g., turning on lights or cameras when door opens). Ideal for UK homes and rental properties: secures doors and windows without wiring or hub; suitable for front/back doors, patio doors, cabinets, or garage access points; reliable performance across seasonal UK temperatures and typical indoor humidity levels.