This remote key finder can help you to find the lost keys, remotes, purse, eyeglass, cane and other easily lost items quickly. With just one press on the color-coded button, the beep sound and the flashes will lead you to find the lost items. A practical key finder to facilitate your daily life Designed with LED flashlight, handy to find something 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 Key finder with base support is also a good display for your tea table, TV bench, bed, computer desk, bookshelf, etc. The transmitter is removable from the base and can be carried with you to find lost items Concise and clear design, easy to operate even for the elderly Compact size, hassle-free to take it everywhere Specification: Size (transmitter): 105 x 46 x 13mm Size (receiver): 50 x 36 x 11mm Battery (transmitter): AAA, 1.5V x 2pcs (not included) Battery (receiver): CR2032, 3V x 1pc Sound: 90-100dB (open space) Transmitting Range: 30-40 meters Frequency: 433.92MHz Housing Material: ABS How to use: Attach the color-coded receivers to your frequently lost items Press and release the corresponding color-coded button on the transmitter If the receiver is in range (30 meters), it will beep and meanwhile the LED indicator will flash If no beep is heard, change your location or use new batteries and press the button again