1.Display hour/minute, indoor & outdoor temperature and voltage

2.Alarm and snooze

3.Switch display temperature

4.Power supply: 12V-24V

5.LED blue backlight

6.With electronic sources plug

7.size: 11.3*5.3*7.6cm

Packing:bubble bag/box/case/carton

160pcs/carton (80pcs/case; 2 cases/carton )