1) wrist watch style
2) lcd watch with real time display
3) high quality clear voice
4) different bright colors
5) effective within 100m in space
6) with high energy 12v batteries
packing:
each pair in double clam shell
80pcs/ctn
carton size 72.8 x 32.8 x 53.8cm
n. W.: 12kgs
g. W.: 14kgs