This product is a new style goods finder for family and personal it is the most convenient and practical new technology product. When you urgently need use a certain goods and you can not find it you can use goods finder to solve your trouble goods finder compose with emitter and receiver (receivers can equip with 4 groups/6 groups/8 groups of receiver) via emitter’s (remote control unit) counter receiver (wireless receiver) it will send out warning sound B.B.B and LED light flashing which will let you find the goods that you are looking for wherever at home or at courtyard. In this you can find your missing goods at anywhere anytime. Products specialties: 1 This goods finder have international advanced power energy saving system high precision panel machine design thin and little shape with longest ready waiting time wireless emitter and receiver code matching function It will not mis-coding and cause error sound with high interruption resisting. Wireless control distance is 30~20 meters; It has rest waiting state energy saving function. Both emitter and receiver will be at rest waiting state until you press the button then it will start working! Power- consuming rate is 2UA. 2 Receiver shape is smooth and nice when getting the signal from emitter it will response immediately. If emitter does not send out goods-finding signal receiver will be at rest state. Once press emitter 1 or 3 button then the counter receiver will begin to work and voice out BBB sound and LED light flashing. Battery using longest time is up to 3~5 months; This receiver is hung on your important goods one remote control unit can looks for 4 goods6 goods and 8 goods3 styles selection. Using once piece of CR2032 button battery power voltage 3V / capacity 600mAh after 3-5 months please pay attention to power energy or change the battery. 3 Goods finder remote control unit shape is nice and decent adopting international popular standard to design seeking popular style perfect streamline thin and little shape: this product has 4 keys 6 keys and 8 keys series 1 remote control unit can look for several receivers (goods) using 1 piece of 12V 27A battery after 6-10 months please pay attention to power energy or change battery.