1,Color:Black/Blue/Pink
2,Battery: AAA battery*2, Without battery, USD0.1/PC can be reduced
3,Time: Keep ringing 6 hours
4,LED Light : YES,Lighting time is about 20 hours
5,Volumn:>130db
6,Waterproof grade: splash proof
7,Product weight :56g(device & battery), 62g(with packing) ,Color box packaging
8,Product size:99*32*20mm/pc, Packing box: 100*33*21*mm
9,Carton No: 200pcs/ctn , G.W:13.5KG/ctn, Carton size: 53*38*25cm/ctn
10,OEM/ODM avaible