Used for security measures at entrance and showroom
On 2017-12-05 14:55:27
First of all, although it moves for about 30 seconds left and right after sensing, it sounds a little big, I think that 30 seconds is long. Will not it be sufficient once in each side?
As a dummy, I think that it is better to think on electric packaging when packing a little more because the electric wire attached to the high price is bent or it is pure white.