1,Color:green/Black/white/Blue
2,Battery: 130mah lithium battery, can be recharged cycle, battery cycle life more than 600 times
3,Time: Keep ringing 35 minutes
4,LED Light : YES,Lighting time is about 150 minutes
5,Volumn:>130db
6,Waterproof function, waterproof grade IP66
7,Product weight :18g(device & battery), 45g(with packing)
8,Product size:68*26*17mm/pc, Packing box: 78*57*18mm
9,Carton No: 300pcs/ctn , G.W:15.0KG/ctn, Carton size: 40*34*33cm/ctn