Features: Smart Integration: compatible with Tuya Smart App for remote monitoring. Multi-functional: Detects carbon monoxide levels, measures temperature and humidity, device. Clear Display: Large 3.1-inch LCD display for easy reading and monitoring. High Sensitivity: Equipped with advanced sensors for accurate and timely detection of harmful CO levels. Easy Installation: Simple setup process and conveniently connects to your home's WiFi. Specifications: Due to different batches, there may be differences in product appearance and printed text, which will not affect use Material: ABS colour: White Package Contents: 1 x Gas Detector kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.