PACKING: 50PCS/CTN
MEAS: 33.0*32.0*20.5 CM
Power : 4*AAA battery or external power supply
LED Display color：select one of Red,Blue,Green,White,
Display mode：alternate display time, temperature and date or allways display time and temperature
Function: alarm,time,date,temperature
Luminance regulation:3 level
Energy saving mode: sound control wake-up