1. Material: ABS + PC2. Weight: 600g3. Dimensions: 110x55x10.1mm4. Working voltage: DC2.5V-3V5. The display screen uses PMMA material 3D mirror curved design, full of design sense;6. Intimately provide 3 kinds of placement methods: desktop bracket, wall sticker, soft magnet, free placement, free choice7. Built-in high-precision RTC clock chip, the correct time is displayed when the power is turned on, and it is still correct after replacing the battery8. Simple BT Connect (use with Mijia APP), can be used with any Xiaomi smart product9. Record the history of hygrometer and thermometer10. Package includes: 1 x Xiaomi digital hygrometer, 2 x CR2030 battery (included), 1 x bracket, 1 x wall sticker, 1 x soft magnet, 1 x instruction manualSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 25cm * 10cm * 10cm / 9.84inch * 3.94inch * 3.94inch Qty per Carton 42 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 42 pcs = 7434 pcs40HQ: 412 cartons * 42 pcs = 17304 pcs