Block mouse board name suggests, is the primary means for expelling a class of rats and other pests, but can also prevent other objects, play a very good protection. (A). Block mouse board is mainly used repel mice, while the cockroaches, ants, spiders, crickets, bedbugs, fleas, moth, etc., also have certain extent. (2) can be widely used: substations, computer room, communication building, power distribution room and other places. (3) Working range up to 500-700m2, the effective range of about 150 square meters expulsion. Block mouse board Note: (1) Do not put block mouse board placed outside, do not place hot and humid place. (2) prior to use, make sure the power supply is AC 220V standard. (3) can be placed on the ground, can be hung to the wall. http://www.botongdianli.net/