LONG DISTANCE RANGE and LOUD BEEP SOUNDUp to 100 feet wireless range in open area and 80 feet range to penetrate through walls and other objects. Perfect for use indoor, or track pets in the yard and garden, especialy suitable for the cat. Super convenient and helpful in your daily life! UPGRADE QUALITY BATTERIES2 AAA batteries for remote are not included. 6PCS CR2032 batteries included for receivers. Low consumption and long standby time, up to 9 months. Upgrade quality batteries. EASY OPERATEIONNo internet required, no APP to install, so easy to set up! Just install the batteries and press the buttons on transmition remote, you can find your lost item quickly! Easy for old people to use! Red led light on the receiver helps to be located in the dark. 1 REMOTE and 6 KEY FINDERS RECEIVERSThere are 6 receivers with 6 different letters. Press the letter on the remote control, the corresponding-letter receiver will light up and beeps. Double-sided sticker and key rings can help to stick the receiver to other smooth objects, such as tv remote, cell phones, keys, bags etc. LIFETIME WARRANTYReady to respond within 24 hours and lifetime support. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.