... source, which the lifespan is 10 times longer than general bulb, can save 80% energy; working at all range voltage, ... carbon dioxide and water), so that can attract vampirism mosquito. Principle of mosquito killing Carbon dioxide exhalanted by human is the only ... woman, baby and old man. If use the pesticide, mosquito incense or mosquito repellent, easy tends to acute hemolytic reaction, oxygen lack ...