SPECIFICATIONS

Brand Name: WYMECT

Origin: Mainland China

Hign-concerned Chemical: None

Choice: yes

semi_Choice: yes

How to use: You just need to hang the whistle finder with the key, turn on the switch on the back, and whistling will make a dripping sound, and you can find the key at any time. It can be put in a bag or other items as a loss prevention device! It can also be used as a mobile pendant.

Effective range: generally about 8 to 10 meters, depending on the size of individual whistling sound, the louder the whistling sound, the farther the distance.

Size: 9 * 3 * 1cm

Battery: 3 lr41 batteries