该装置由镜架、镜筒、目镜构成。其特征是在镜筒的前端装有闪烁灯座板和红色闪烁灯,镜架前端装有电位器开关,中部有电源电池组,后部内有电路控制板,电路包括音乐定 The device consists of frames, tube, eyepiece. The utility model is characterized in that the front end of a lens barrel is provided with a flashing lamp base plate and a red flashing lamp; the front end of the lens frame is provided with a potentiometer switch; the middle part is provided with a power battery pack; the circuit control board is arranged in the rear part;