ITEM NAME:Auto Car Voltage Digital LCD Temperature Thermometer Alarm Clock New GD #JT1 Product Description Description: Features: 100% Brand new and high quality! Time/date,switch from 12 hour to 24 hour system conversion Alarm clock and extending 5 minutes reminding function. Temperature Can be Switched From the Display Deg.C to Fahrenheit Temperature sampling every 60 seconds. LED will be in a back light when using car power supply, and can display LCD full content. If using a spare battery power supply, not back light, LCD only display time and internal and external temperature Specifications: Monitor size(including holder):14*4.5cm (L x W) Holder size:15.5*2*3.7cm (L x W x HÂ © Color: Black Material: Plastic+LCD Temperature measurement:-10 to 50 Deg.C Resolution of temperature:Â 1 Deg.C, accuracy: +/-1.0 Deg.C Pressure indicator: DC12-24V Included: 1 x Electronic clock 1 x Cigarette lighter cable 1 x Temperature output wire.Alarm clock and extending 5 minutes reminding function. Pressure indicator: DC12-24V. Included: 1 x Electronic clock. 1 x Temperature output wire. Material: Plastic+LCD. 1 x Cigarette lighter cable. Temperature Can be Switched From the Display Deg.C to Fahrenheit.