One button control on off, silicone material shell with function, even in the day work and outdoor activities are conducive to the protection of the circuit..
Note Do not immerse water, not washable...
you can use the screwdriver equipped to unscrew the cover and just replace CR2016 batteries, it can continue to work, it's not disposable, it's continuous working product...
Bonus gift-four spare batteries and screwdriver.
All contents are packed in gift box and it's perfect as gift during the holidays...
Read more