Product parameters: 1. Size: 43x43x12.5mm. 2. LCD display size: 28x28mm. 3. Material: ABS, PMMA. 4. Voltage: DC 2.5V-3V. 5. Battery: CR2032. 6. Wireless connection: Bluetooth 4.2 BLE. 7. Measuring range: 0-60 degrees Celsius. 8. Resolution: 0.1 degrees Celsius. 9. Humidity range: 0% -99% RH. 10. Resolution: 1% RH. Packing list: Bluetooth Thermo Hygrometer 2 x 1 Wall sticker x 1 Manual x 1Specification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 8cm * 5.5cm * 2cm / 3.15inch * 2.17inch * 0.79inch Qty per Carton 240 Carton Weight 8.40kgs / 18.52lb Carton Size 38cm * 34cm * 23cm / 14.96inch * 13.39inch * 9.06inch Loading Container 20GP: 897 cartons * 240 pcs = 215280 pcs 40HQ: 2083 cartons * 240 pcs = 499920 pcs