1,Color:Black/White/Blue/Fruit Green/Pink/Purple
2,Battery: 130mah lithium battery, can be recharged cycle,
3,Time: Keep ringing 50 minutes
4,LED Light : YES,Lighting time is about 75 minutes
5,Volumn:>130db
6,Waterproof function, waterproof grade IP44
7,Product weight :35g(device & battery), 65g(with packing)
8,Product size:73*41*21mm/pc, Packing box: 85*127*30mm
9,Carton No: 156pcs/ctn , G.W:12.5KG/ctn, Carton size: 40*40*40cm/ctn
10,OEM/ODM avaible