Wireless Bluetooth-compatible Smart GPS Tracker for Pets Dog Child Wallet Anti-Lost Alarm Tag Keys Finder Locator Feature: This anti-lost device is a product with Bluetooth-compatible 4.0 low-power technology. Through special APP software settings on the mobile phone, the user's easy to lose items (such as: keys, handbags, etc.) are bundled together to prevent items from being lost. You can even hang this anti-lost device on your children to ensure that they are within your sight. Or hang it on your pet, don't worry about them getting lost. Support Bluetooth-compatible low energy, support two-way alarm. Support for iOS system and Android system: for iOS system needs version 7.0 or higher; for Android system needs version 4.4 or higher, mobile phone needs to support Bluetooth-compatible 4.0 standard. Specification: Frequency Range: 2.402~2.480GHz Working Power: -94dBm Working Temperature: -20℃~70℃ Standby Current: <3μA Product Size: 52 X 31 X 11mm/2.05 X 1.22 X 0.43" Color: White, Black, Blue, Red, Green Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. 

1 X Smart GPS Tracker 1 X Manual