Wristband Anti-Loss Safety Set - Secure-Me Plus Model p> At a Glance... Find-Me Alarm (anti-loss) 10-meter safety zone Loud alarm for everyone nearby to hear Attach this to children, pets, backpacks, purses, etc. Manufacturer Specifications Primary Function: Anti-Loss Safety Set Components: - Keychain Receiver - Wristband Transmitter - Keys for Wrist Strap Materials: Molded ABS Plastic with Canvas Wrist Strap Transmitter Frequency: 433.92MHz Alarm Output: 80dB Control Types: (1) Security Zone Function (2) Search Function Security Zone Distance: 10M Dimensions - Keychain Receiver: 60mm x 36mm x 15mm - Wristband Transmitter: 80mm Strap Diameter Power: AAA battery for receiver (not included), CR2032 button battery for transmitter (included). Manufacturer Ref: BA178A647972 Product Notes Locking wrist strap keeps the transmitter securely fastened to your child or device Reseller alternate name = Safety Angel Wristband Anti-Lost Alarm When used for pets, DIY attachment to larger collars or neck straps will be necessary Secondary search mode which will help you find any lost object in a room. In this mode, if you go searching for your lost item, you get a strong beep and vibration as you move closer and closer to your objective, making valuables easier to find. Package Contents Transmitter Receiver 2x Keys FAQ - Frequently Asked Questions Can I attach this to my cell phone or computer bag? You can attach this Wristband Anti-Loss Safety Set to any device, but D.I.Y. (do-it-yourself) installation may be required to get the transmitter to fit on some devices. Your best results will come when attaching the wristband to handles, bag straps, and people's wrists or legs.