Звук и виброзвонок ребенка анти-потерянный сигнал тревоги

Anti lost alarmAnti lost alarm Feature: Anti lost alarm ,Which is one of smart product with two functions as anti lose and search , you can adjust the alarm distance form 1-20meter, example for your had set the alarm distance in 10 meter ,when the distance over 10 meter between sender and receiver.it will alarm with the 85dB sound and vibration.You also can use this device to seach your lost products, when the lost product near your ,our this system will alarm , and you can shorten the scope by the adjust distance button , and find it.Anti lose alarm Specification: Sender: size:44(H)x28(W)x8(D)mm Weight:9.3g Battery:3v CR2.32 x 1 Receiver:size:60(H)x36(W)x15(D)mm Weight:35.5g Battery:1.5v AAA x1 Distance:0-20M Color:Black or white Life of battery: sender:3weeks(working in 8 hours per day) receiver:2month(Working in 8 hours per day ) Packing: blister package Anti lose alarm Packing Size:200(H)x80(W)x17(D)mm G.W:68.8g Carton size:525x325x390mm 200pcs/carton G.W14.5kg/cartonApplication:Package:One receiverone senderone muanal