ITEM NAME:Backlight Pointer Display Waterproof PC Water Cooling System Thermometer A#S Product Description Description: Specification: Measure Range: -50 - 110Â °C Voltage: 5-24V Top Panel Size: approx. 40 X 80 mm/1.57 X 3.15" Flat Panel Size: approx. 40 X 80 mm/1.57 X 3.15" Size: approx. 45.89 X 25.11 X 16.9 mm/1.81 X 0.99 X 0.67" Panel Size: approx. 47.8 X 28.2 mm/1.88 X 1.11" Port: Big 4P Port Included: 1 X PC Water Cooling System Thermometer.Top Panel Size: approx. 40 X 80 mm/1.57 X 3.15". If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Port: Big 4P Port.