It can be used for exhibition, supermarket and shops for displaying all kinds of electronic products, electronic tools, toys. ART NO: DT-320Color: White&Blacksender: 24.5(D) mm weight: 6.5g battery: CR2032*1receiver: 60(H)*36(W)*15(D)mm weight: 35.5g battery: AAA*1dimension: 79*36*23cmPacked: 200Pcs/caton,(10pcs/box)Weight(GW/CTN): 14.2kgsUSD price: 4.37USD/pcs anti-lost alarm