Indoor and outdoor temperature gauge function, can display vehicles inside and outside temperature.
In normal time mode，press TIME key can switch for 2 seconds to select 12/24 hour display format and enter the time setting state.
Press ALM key to set alarm clock, from HOUR--> Second-->OK; Press UP key to turn on/off the alarm, it will return to clock mode if there id no other operate.
Note:There is a folding stand with Velcro in the back of product, Can fix it on the bracket or use double-sided adhesive paste can be freely permitted within the scope of sight.
