Local Stock - same day shipping available; and providing 7 days warranty. A small device with high precision sensor to measure room temperature and humidity. It is very light and compact monitor with an LCD display. Brand: Xiaomi Mijia Material: ABS+PMMA Size: 43x43x 12.5mm Model: LYWSD03MMC CMIT ID: 2019DP8115 Voltage: DC2.5V- -3V This device has smart linkage via Mijia Bluetooth Gateway and equipped with baby mode reminder so that when temperature and humidity are more than the comfort zone of the baby then you are automatically reminded via Mijia App. Reminder to indicate Chinese Mainland as region in the Mijia Apps. Definitely a must for you who is having breathing-related health issues, operating a greenhouse or storing cigars & wines. Package includes - Device, wall sticker and manual Please feel free to PM if any issue connecting device :) Remark: The warranty does not cover defects or malfunction caused by misuse, abuse or improper maintenance, failure to follow operating instructions, or use with equipment with which it is not intended to be used. It doesn’t cover cosmetic or incidental damages. Also, the warranty will not apply to damage caused by unauthorized alteration, modification or repair of the product.