PACKING: 100PCS/CTN
MEAS: 51.0*43.5*39.0 CM
Power : 3*AA battery or external power supply
LED Display color：select one of Red,Blue,Green,White,
Display mode：alternate display time,date , temperature or allways display time
Function: alarm,time,date,temperature
Luminance regulation:3 level
Energy saving mode: sound control wake-up