Ohala Key Finder Wireless RF Item Locator, Remote Control - Support for Pet, Cell, Wireless RF Remote Item, Wallet Locator,150 Feet.(1 RF Transmitter and 4 Receivers)

Description:
Do you meet this issue:Small personal items tend to mysteriously disappear and - after extended searches - reappear in places never expected. This Key Finder puts an end to these time-consuming search operations.
This is absolutely a smart unique key finder that you've ever seen! It contains a tumbler remote control and four receivers.
Simply press the remote control and follow the audio signal, it will locate your keys or other lost items up to 30-50 meters away.
Features:
1.Sounds loud "beep-beep-beep", help you find your things easily ,especially in the dark.
2.1 Remote control with 4 receivers,color-coded buttons will let you easily distinguish the items.
3.Far work distance.It could work through the floors and walls,the open space is ranged up to about 50m.
4.Convenience,no need to worry being late for office or school ,losing something valuable/little mini or even hyperactive pets or little babies.
5.Safe guarantee,it is made of light-weight and sturdy and durable ABS plastic ;the item locator holds CE &RoHS certification.
6.Working range:30-50 meters(open space)
Specification:
Size (transmitter): 70×40×13mm
Size (receiver): 50×36×11mm
Packing size: 210*116*20mm
Weight: 120g
Battery (transmitter): CR2032, 3V
Battery (receiver): CR2032, 3V (1pc/receiver)
Sound: 90~100Db
Transmitting Range: 30~50 meters
Frequency: 433.92MHz
Housing material: ABS
Package Included:
1 x smart transmitter
4 x receivers
4 x CR2032 Battery
1 x user manual