anti-lost alarm Features: 1) Set distance within 1 ~ 25 meters 2) Reminds of property-losing or baby leaving by v

anti-lost alarm Features:1) Set distance within 1 ~ 25 meters 2) Reminds of property-losing or baby leaving by vibrating and alarm 3) Ideal for protecting wallets, PC, purses and pets 4) Alarm and vibrating functions 5) Easy operation6) Small size and portable Specifications:1) Transmitter:a) Dimensions (H x W x D): 44 x 28 x 8mm b) Weight: 9.3kg c) Battery: CR 2032 x 1 (3V) 2) Receiver: a) Dimensions (H x W x D): 460 x 36 x 15mm b) Weight: 35.5kg c) Battery: 7 x 1 (1.5V, AAA size)

Mini Digital Anti-lost Alarm Key Chain with two keychain