The utility model relates to an explosion -proof modulator, including illuminating part, footstock, main part and base, the bottom is located to the base, the main part setting on the base, the illuminating part setting on the footstock, footstock connection subject, the illuminating part include LED pointolite and lens, among the LED electric light source is located lens, lens for the luminous lens of free -form surface side, the main part be the frustum type, including control mainboard, battery and solar cell panel, a plurality of solar cell panel are located the main part lateral wall, and solar cell panel is connected to the battery, and the battery is located inside the main part with the control mainboard, the control mainboard have GPRS, big dipper satellite, SMS, GPRS, CDMA module, be used for realizing a remote control remote measuring function of explosion -proof modulator. An explosion -proof modulator, explosion -proof, water seal and atmoseal are fine, can realize remote control remote measuring function, but the wide application in the coast, the inland river aids to navigation, also can be used as high altitude obstacle lamp.