Overview: Don't remember where is the car key or door key you put it on? Wasting much time for finding keys or other objects? This 3-way anti-lost finder can help you to locate 3 objects. Just attaching the little diamond shape receiver with your key or other objects, then you will not be upset anymore for finding the key or anything precious. If your key or baggage, or other object is hiding somewhere, you only need to press a button to trigger the alarm sound from the receiver side, making it easy to find. 3-Way Anti-Lost Key Finder Panel with Diamond Shape Receivers Easy hanging up anti-lost key finder panel 3pcs of little diamond shape receiver Makes loud alarm when you press the finding button Easy to find out your key or other object Specification: Receiver power on/off switch Receiver powered by 1 x CR2032 button cell Transmitter A, B, C control buttons Transmitter powered by 1 x 12V 27A alkaline battery Transmitter battery working time: up to one year Control distance: up to 60 meters in open space, or up to 30 meters in building Transmitter dimension: 120x 43x 15mm Receiver dimension: 49x 28x 11mm Weight Approx:79g Size Approx:12 x 4.3 x 1.5