Overview:This JTD-KF4B remote key finder can help you find lost keys, remotes, purses, eyeglasses, mobile devices and other easily lost items quickly. With just one press of the color-coded button, the receivers will emit a beeping noise and flashing light leading you to your misplaced item quickly.The JTD-KF4B remote key finder includes a built-in flashlight for finding items in the dark. The ON/OFF switch is located at the right side of the transmitter, which allows you to turn on and off the LED flashlight easily. This becomes extremely handy when you need to locate your item in a dark closet or tight space.The key finder includes a base station to store and display your key finder remote on your coffee table, TV stand, bedside table, computer desk, bookshelf, etc. The transmitter is removable from the base and can be carried with you to find lost items.WARNING:Do not mix old and new batteries.Do not mix Alkaline, standard (Carbon-Zinc) or rechargeable batteries.Choking Hazard: Small parts not for children under 3 years or any individuals who have a tendency to place inedible objects in their mouths.Specifications:• Working range: 90’-130’ (open space)• Sound Output: 75- 80dB• Frequency: 433.92 MHzPackage Contents:• 1x JTD-KF4B wireless remote• 4x Wireless receivers• 4x CR2032 battery (for receivers)• 2x AAA 1.5V battery (for transmitter)• 4x Keychain rings• 4x Velcro strips• 8x Tag Stickers• 1x User manual