LONG DISTANCE TRACKING: Press the color-coded buttons to find items up to 130ft away, quickly track and locate valuable items in your home or on your property. Advanced radio frequency technology penetrates through walls, doors, furniture and other obstructions. 4 KEY FINDERS: Includes 4 color-coded receivers, double-sided adhesive and keychain rings that help you locate keys, wallet, remote controls, glasses, phones, iPods, pets or other valuables that are easily lost or misplaced. LOW BATTERY ALERT: The receiver LED indicator will flash once every 2 seconds when the receiver is low on power and needs a recharge. SOUND CONTROL AND MINI FLASHLIGHT: Press the remote bottom, follow the beeping sound and use the built-in mini flashlight to locate your lost items in dark places. FREE LIFETIME SUPPORT: All J-Tech Digital products include 1-year manufacturer warranty and free lifetime technical support from our customer support team, contact information available on our seller page.