Brand YaoSheng Model N/A Quantity 1 Color Black + white + green Material PCB Specification 4-yellow seven segments digit display; Input voltage: 5~15V; Voltmeter need voltage above 7V; Thermometer: -9~60'C; Voltmeter: 7~15V error: +/-0.1V Features 4 display mode: 1 time > 2. temperature > 3. voltage > 4. 3 value alternate display; With temperature error correction function correct range: -5~5'C; With backup battery Application For your DIY project English Manual/Spec Yes Other 2. Time & temperature error correction: Press "left" the minutes strobes; press "right" button to add the number. After set minute down press "left" button as minutes so does hours; After set hours down press "left" to correct temperature press "right' button to adjust temperature. 2. Press display mode by press "right" button Packing List 1 x 3-in-1 clock