Features 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 Clock Material: ABS Battery: 1 x CR927 Button Battery (battery not included) Display Method: 0.4 Inch LED with Green Text Working Current: <20mA Time Accuracy: <2 Seconds Per Day Temperature Measurement Range: -50~-19.9~99.9~120℃; Accuracy: 1℃, -58-248℉ Decimal Point Automatic Shift Temperature Probe Wire Length: Approx. 200mm / 7.9in Package List 1 x Electronic Meter