11 Control 4: Equipped with four key locators, you can set the receiver to four items and just press the color coded button to find them. 2Simple Method Of Use: Just follow the steps of the manual, you can easily use and operate it, and can successfully find your item. 3Sound And Light Function: Equipped with light and sound prompts, when the gear receiver emits a sound, it will guide you to your lost items. It is also equipped with a light to help improve your visibility at night. 4Professional Design: It is equipped with radio frequency that can penetrate wall, floors, cushions, leather, etc. to help you find your items. 5Small Size: Lightweight and portable, it can easily be held in various places for searching without taking up extra space. Item Type: Key FinderMaterial: ABSRemote Control Size: Approx. 10.5x4.5x1.2cm / 4.1x1.8x0.5inWeight: Approx. 131g / 4.6ozRemote Control Battery Parameters: 2xAAA Batteries (Batteries Not Included)Single Locator Battery Parameters: 1xCr2032 Button Battery (Battery Not Included)Scope of Application: It is applicable to any item. 1 x Remote Control (Battery Not Included)4 x Locator (Battery Not Included)1 x Base1 x Accessories2 x Stickers4 x Key Ring1 x English Manual