Profile: ChangChun Dragon Lasers Co., Ltd. is an online store specializing in all-solid-state industrial lasers, lab lasers and laser pointers. We supply shoddy laser & laser pointers. All our portable green lasers have built in IR filters. The output power of our portable laser is average power, which is measured over 60 seconds of continuous operation. Our hulk series - hand held green lasers is sturdy and robust and utilizes revolutionary heat sink & cooling technology, this laser is perfect for long term continuous use.