1. High Sensitivity Sensor: Built-in temperature and humidity sensor, real-time monitoring of indoor temperature and humidity changes. 2. This humidity thermometer integrates LCD display with large clear digits indicator, displays indoor temperature and humidity simultaneously, very easy to read. 3. Easily see a snapshot of current conditions at a glance with this temperature gauge and humidity sensor 4. Ultra-low Power consumption: With just a button cell standby time to one year. 5. Compact and lightweight design, indoor thermometer allows you easily put them in your pocket and take it anywhere you want.Specification: General Model MHO-C201 Material PP Indoor Temperature Range 0-60 degrees Celsius Humidity Range 0 ~ 100 degree Power Supply DC 3V-2.4V Size 64.5*64.5*9.7mm Weight 36g Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 120 Carton Weight 8.30kgs / 18.30lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 120 pcs = 74400 pcs 40HQ: 1439 cartons * 120 pcs = 172680 pcs