Frost -resistant watch -dog prevents frostbite

The utility model discloses a frost -resistant watch -dog prevents frostbite, it mainly includes fixed plate, gooseneck pole, control cover and control piece, and the fixed plate is connected to the gooseneck pole, and the gooseneck pole is connected to horizontal rotary rod through the connecting block, and horizontal connected with rotary rod to control cover, control cover are down the control pieces, are equipped with the camera on the control piece, and the lower extreme of control piece is equipped with the warm braw pipe, and the lower extreme of control piece still is equipped with the temperature -sensing ware. The beneficial effect of the utility model have: set up the warm braw pipe and blown off hot -blastly to the camera front end, unfreezeed to the front end of camera, and through the operation of temperature -sensing ware automatic control, effect through horizontal rotary rod and vertical rotatory piece for the visual angle of watch -dog is wider, be equipped with light compensation lamp for but watch -dog also normal operating under the dark condition.