1.7 Red LED Display Digital Car Thermometer Voltmeter Clock Module

Description: Length: 40.2mm£¬ width = 12.8mm£¬ thick ≈14mm Display color: Red Display mode: 1. display time only 2. display temperature only 3. display only voltage 4. time temperature voltage alternating display (Note: under alternate display mode£¬ through dd option to choose whether to display the temperature or voltage£¬ dd:0 displays time + temperature + voltage. dd:1 displays time + voltage. dd:2 displays time + temperature) Features: 1. Set the time£¬ temperature£¬ voltage£¬ three functions in one 2. manual error correction function with a temperature setting range -5¡æ ~ 5¡æ 3. With backup battery£¬ power-down time to continue to go Electrical Characteristics: 1. Input voltage 7 ~ 30V. Note that when using as a voltmeter£¬ the input voltage is at least more than 7V. 2. Voltmeter range 7 ~ 30V£¬ error ± 0.1V£¬ the measured voltage is the input voltage. 3. Temperature measurement ranges from -50 to 130¡æ 4. Working current is about 30mA.

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