Emilene Rivera: he used flash paper, a very flamable object
dylan cook: yes it is the battrey i bought a 6000mah battrey and it does more power and you can pull the board and turn the screw to input more power
Omar Souidane: I have this model (jd-303) but it do bot burn anything!!!!why??
Anar Bagirov: İs this a 500mw?
Colucciex: Same problem here, could it be the battery?
TBKgaming4you: I have the same laser but there's nothing happend if i hold it on a piece of paper why ????????????
Panda Baa: watt MW?
Gary Cameron: I have a JD 301 very similar looking to this that has an emitter nomally rated for 500 mW but the unit is actually putting out far less than that. Anybody else have this model? How to you modify the emitter power?