Feature:1. 3 IN 1 DIGITAL METER: 3 in 1 digital display meter, which has electronic clock, temperature gauge, and voltmeter functions, using 0.4 inch LED display with green text.2. DISPLAY PARAMETER: Adopting high accuracy clock chip, can display hour, minute, second, date, temperature, and voltage (a total of 9 display modes are optional).3. MULTIPLE FUNCTION: With recyclable display, fixed display, time memory, and automatic brightness adjustment function, supporting 12/24 hour system and ℃ ℉ units.4. TEMPERATURE RANGE: This electronic meter has temperature meter function, with a temperature testing range of ‑50‑120℃ (‑58‑248℉), high accuracy and good stability.5. POWER OFF MEMORY: When the battery is installed and the power is not connected, the clock will continue to run, display after wiring, with a time memory of more than 12 months.Specification:Item Type: 3 in 1 Electronic ClockMaterial: ABSBattery: 1 x CR927 Button Battery (battery not included)Display Method: 0.4 Inch LED with Green TextWorking Current: <20mAWorking Voltage: DC4.5-30VTime Accuracy: <2 Seconds Per DayTime Display: 12/24 Hour System OptionalVoltage Measurement Range: 00.0-99.9-300V, Decimal Point Automatic Shift, Accuracy: 1%+2 wordsTemperature Measurement Range: -50~-19.9~99.9~120℃; Accuracy: 1℃, -58-248℉ Decimal Point Automatic ShiftPower Supply Voltage Yellow Line Button Lead Length: Approx. 120mm / 4.7inTemperature Probe Wire Length: Approx. 200mm / 7.9in.Package List:1 x Electronic Meter