Blue Back-light Electronic Thermometer Voltage Monitoring Meter for Automobile Indoor and Outdoor

Please kindly noted that this item is sold by third-party sellers from Joybuy marketplace.Description This is the clock what you need--Simple multi-function and easy to install. This small guy can let you know real time temperature time and voltage. Our product even can run without power plug that mean you don t need consider about the power problem. To install it you just need to stick it at what place you like really easy to use.(Caution: The back light function only work when the power cable connected). Feature - Color: As Shown. - Material: Plastic+LCD. - Size: 15.5 x 2.2 x 5.5cm. Tem-perature measurement range: -50 - 70 degrees.Temperature digital Accuracy:± 1.0℃ Temperature Accuracy: +1.0 ℃.Temperature can switch display ℃ / ℉.Date/time week/second display 12/24 hour conversion. - Car battery voltage real-time monitoring digital display voltage. - LED backlight function car power supply with backlight LCD content all display if standby battery power supply no backlight LCD only display time. - Button function:TIME: toggle display TIME/date press and hold 2 seconds to set TIME. ALM key: displays the alarm time. Press and hold for 2 seconds to set the alarm. UP key: added when setting; Time interface under switching seconds/week display; The alarm is turned on/off in the alarm interface. SNZ: sleep in (don t do it if you don t have to).DOWN / ℃ / ℉ button: when set reduction; Switch ℃ / ℉; On the time screen press this button Open frost warning for 2 seconds. - Display the state of voltage when the voltage is too high or too low there will have alarm sound and light tips. - Blue backlit color. Installation method: there is a folding bracket in the back of product and there is double-sided adhesive in the bracket you can stick it in a convenient watching place. Other Function: The calendar function Set the time Press and hold the TIME button for 2 seconds to enter the setting state of TIME and set the 12/24 hour system second hour minute year month day and the week will be adjusted automatically and exit the setting interface automatically after 1 minute without pressing the button. Time/date switch display Instead of setting the status press TIME to switch the display TIME/date. Week/second switch display Press UP to switch display seconds/week instead of setting state. The alarm function Set the alarm In the alarm interface press the ALM button for 2 seconds and enter the setting state: hour - minute - determination. The alarm is on/off In the alarm interface press UP to turn on/off the alarm. In alarm mode no button for 8 seconds return to clock mode. The alarm will go off for 30 seconds and the alarm sign will flash when it goes off. Snooze function When the alarm goes off press any key (except the SNZ key) to terminate the function that the alarm does not perform. When the alarm goes off press the SNZ button to enter the snooze button. The snooze time is 5 minutes and 3 times. When you go to sleep the sign flashes.