Feature 1Wireless Key Finder: 1 transmitter and 4 receivers for locating any items like keys, wallet, tv remote control, purse, glasses whatever you need to find. 2Strong Signal Design: 30-40m(98-131ft) transmission range, radio frequency can penetrate through walls, floors, etc. So you can easily find your items. 3Easy to use: with just one press on the color-coded button, the loud beeping sound and flashes will lead you to find the lost items. 4It has a led flashlight on the transmitter, very convenient to find your lost key and other items even in dark environment. 5The transmitter is equipped with a base, so it can be placed onto the tea table, TV cabinet, bed, computer desk or bookshelf.SpecificationFeatures: 1. Wireless Key Finder: 1 transmitter and 4 receivers for locating any items like keys, wallet, tv remote control, purse,glasses whatever you need to find. 2. Strong Signal Design: 30-40m(98-131ft) transmission range, radio frequency can penetrate through walls, floors, etc.So you can easily find your items. 3. Easy to use: with just one press on the color-coded button, the loud beeping sound and flashes will lead you to find the lostitems. 4. It has a led flashlight on the transmitter, very convenient to find your lost key and other items even in darkenvironment. 5. The transmitter is equipped with a base, so it can be placed onto the tea table, TV cabinet, bed, computer desk orbookshelf. Specification: Condition:100% Brand New Material: ABS shell Color: As Pictures Shown Frequency: 433.92 MHz Battery (transmitter): AAA, 1.5 V 2 (for transmitter, not included) CR2032 button battery (including receiver) Voice: 75-80Db Transmission range: 30~40 meters Package list: 1 * Transmitter 4 * Receivers 1 * Base 4 * Double Sided Sticker 4 * Round Buckle 1 * Manual .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }