4 Pack Smart GPS Tracker Key Finder Locator Wireless Anti Lost Alarm Sensor Device Description: 100% Brand New Compact and Light Design Low Energy Consumption Anti-Lost Alarm Support find Phone Function and Voice Recording Function Support Bluetooth 4.0 and The effective Range is up to 25m Track your car on Parking Lot and Retrieve your lost items Suitable for Wallet, Car, Kids, Pets, Bags, Suitcase or other belongings Works as a remote Shutter for Self Portrait, Capture the Valuable Moment Easily Compatible for IOS or Andriod Smartphone Color: 1 x black, 1 x green, 1 x blue, 1 x pink. Battery: Contains CR2032 Lithium Coin Battery (replaceable). Package Included: 4 x Smart Alarm Device 4 X Carabiner