... computer sounder, equipped with Hi-fi loudspeakeradopting latest Class D digital power AMP IC, it has pure and extraordinary acoustics.built- ... battery, overlong endurance capacityTechnical Parameterstorch parameter:CREE brand high power 3 wattage LED lamp bead,shot range 250meters,it has ... ,half bright,blinking 3 modeshorn parameter:power 2.5W,impedance 4 Ohm Distortion factor:≤0.1%&0.5WSNR(Signal to ...