4 in1 Remote Wireless Key Wallet LOST Locator Finder Receiver Electronic Alarm

Specification 1. Transmitter Size:105mm(4.1 inch)*46mm(1.8 inch)*13mm(0.5 inch) 2. Receiver Size:50mm(2 inch)*36mm(1.4 inch)*6mm(0.24 inch) 3. Battery for transmitter: 2* AAA,1.5V batteries 4. Working range: 30-40m / 98-131ft (open space) 5. Frequency: 433.92 MHz 6. Sound volume: 75-80 dB 7. 4* CR2032 battery for receiver 8. Outer Material: ABS

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