1.2 Inch LED Digital Clock Electronic Alarm Clock With Temperature

1.2 Inch LED Digital Clock Electronic Alarm Clock With TemperatureFeature:Supply voltage: 5 ~ 32V DCSupply current: More than 200ma DC power supply or charger.Dimensions: 160 * 52 * 21mm (L * H * D)Automatic exposure control, under dark circumstances automatically darken, automatically brightness during the dayBattery comes with time memory, external power cut off does not affect the timeTemperature measurement display range (the 2 digits of right side): -9 ? to 99 ?, the main display area display range: -40 ? ~ 120 ?When the power goes out, it will not show the time, but it keeps time.Setting description:1, Setting key: Use to set the time, date, year. Use with the increase and decrease key.2, Plus key: When adjusting the parameters and time to increase the value. This also use for adjust cycle display.3, Decrease key: When adjusting the parameters and time to decrease the value. Also this button is also use to adjust the temperature error, brightness, auto brightness function.4, Alarm clock key: Use to set the alarm time, 3 groups alarm clock, when setting note the upper right corner of the display, A1, A2, A3 represent 3 groups alarm clockAc: Temperature error calibration parameters. The adjustment range is -5 to 5 ° Cdd: Custom cycle (dd: 0 Time + date + temperature, dd: 1 time + temperature, dd: 2 time + date)dF: Custom cycle switching time interval, unit is second, the adjustment range is 1-9.LL: Display brightness level adjustment range is 1-9. LL: 1 darkest, LL: 9 brightest. (Note: adjust the brightness manually only when the option AL is AL: 0 can effect, otherwise it will automatic control by the electronic clock display brightness)AL: Automatic brightness control switch, AL: 0 is off, AL: 1 is open. When set to AL: 1, will automatically detect the ambient light intensity to change the display brightness.BP: Alarm bell switch, BP: 0 is off, BP: 1 is open (Hint: When the alarm is ringing, press any key to mute)Package includes:1 x Electronic Alarm Clock