IP4682L Features Smart wireless Bluetooth anti-lost alarm Supports two-way alarm Equipped with 2 LED indicators Simply install the software and bidirectional anti-lost function works You can choose 0-30 meters as safe distance to search and anti-lost A good stuff for you when go outside with your kids， pet and luggage Strong vibration to perfectly remind you in noisy situations Long service life with low power consumption Works with iPhone 5S/5C/5/4S/iPad/iPod Compact size for ease of carrying Download Method: 1. Enter the keywords "HAVIR" to search in APP store 2. Find the application software "HAVIR" Bluetooth anti-lost and download it for free General Specs Brand & Model Havir HV-100 Material ABS plastic and electronic components Remote Control Range Bidirectional search function (0-30 m)， Bidirectional anti-lost function (2-10 m) Power Supply Micro USB charging Response Frequency 2402-2480MHz Charging Voltage DC 5V Compatibilities iPhone 5S/5C/5/4S/iPad/iPod Dimensions 41 x 11 mm Package Details Weight: 47.08 g Size: 11.5*8*2 cm Package Includes 1 x USB Charging Cable