The invention is an improved mousetrap device.It comprises a cylindrical shell；A control unit arranged in the housing；A plurality of first acoustooptic output units arranged on the circular surface of the shell and electrically connected with the control unit,Each first acousto-optic output unit system comprises a first ultrasonic constant frequency horn,Second ultrasonic constant frequency horn and complex first illuminant；A complex second acoustooptic output unit arranged on the circular surface of the shell and electrically connected with the control unit,The second acoustooptic output units are arranged on the adjacent side of the first acoustooptic output units.Each second acoustooptic output unit includes a sensor,Ultrasonic frequency conversion horn and complex second illuminant；And an operation unit arranged on the shell and electrically connected with the control unit.Thus, the first and second acousto-optic output units surrounding the circular surface of the shell can be used in combination with each other to output the ultrasound and light to expel rats from all directions in the required multi-stage transformation mode, so as to effectively reduce the adaptability of rats and achieve the comprehensive and dead angle free expelling effect.本創作係一種改良式驅鼠裝置，其包含呈圓柱形之殼體；設於殻體中之控制單元；設於殼體圓環面且與控制單元電性連接之複數第一聲光輸出單元，各第一聲光輸出單元係包含第一超音波定頻喇叭、第二超音波定頻喇叭及複數第一發光體；設於殼體圓環面且與控制單元電性連接之複數第二聲光輸出單元，各第二聲光輸出單元係設於各第一聲光輸出單元相鄰之一側，各第二聲光輸出單元係包含感應器、超音波變頻喇叭及複數第二發光體；以及設於該殼體且與該控制單元電性連接之操作單元。藉此，可利用環繞於殼體圓環面之第一及第二聲光輸出單元相互搭配使用，使其以所需之多段變換方式由各個方向輸出驅趕老鼠之超音波與光線，以有效減低老鼠之適應性，而達到全面性以及無死角之驅趕老鼠效果。
