Features 1、High-Performance: It uses stable BT connection technology to help you locate items quickly and easily within the coverage; if it is out of the BT scope, it can be easily found through the APP (compatible with iOS Find My). 2、With Left-Behind Alert: Lost mode helps you get it back. The Find My App proactively prevents you from losing your wallet, important card, or gadgets by sending notifications to you if you leave your the locator behind. 3、Long-Lasting: Designed to last, our tracking device boasts an extended battery that can keep track of your items for about 6-12 months. Say goodbye to frequent charging and enjoy uninterrupted peace of mind. 4、Compact Size: This locator is small (3.35*2.13*0.13in) and light (0.54oz), and very easy to carry at any time with a hole for suspending. The housing is waterproof and rainproof, which works perfectly even in bad weather. 5、Wide Applications: Support cell phone remote control, and provide a secure tracking device for your vehicle assets, wallets, keys, luggage, and more. With large sound reminders, easy to hear for all people. Specification Material: ABS Color: Black Battery: 170mAh Sensing Mode: BT Alarm Duration: 10 Seconds Standby Time: 12 Months Alarm Decibel: Support scope: 60-80db Item Size: 85 * 54 * 3.28mm/3.35 * 2.13 * 0.13in Item Weight: 15.4g/0.54oz Package Size: 10.8 * 7.7 * 1cm/4.25 * 3.03 * 0.39in Package Weight: 30g/1.06oz Package List 1*Card Trackers