1,Color:Black/Silvery/Purple/Blue/Gold
2,Battery: Battery LR44 Button Battery × 3PCS
3,Time: Standby time (8-12months),Keep ringing(1.5hours)
4,LED Light : YES
6,Volumn:>130db
7,Product weight : 40g
8,Product size: 64*40*21.5mm/pc, White box : 80*55*30mm
9,Carton No: 200pcs/ctn , G.W:9.0KG/ctn, Carton size:42*32*24cm
10, OEM: Add you Logo, specific packing box