DESCRIPTION BLACK MOSQUITO DRUG ZENDEN MICRO SMOKE MOSQUITO INCENSE / EFFECTIVE MOSQUITO DRUG / MOSQUITO DRUG ~1 BOX = 10 COILS ~ Available Size - Small (6-8 hours) or Big (8-10 hours) ~ Micro Smoke Incense @ Produces micro smoke that can cover 10 meters from the circle point of the mosquito repellent - Used outside the home, office and shed area. - Able to kill mosquitoes from entering the house. - Used 2 hours before bed and turned off 30 minutes before bed. @@Best Mosquito Remedy - Zenden micro smoke mosquito incense. This mosquito repellent is very effective because: 1. Using meperfluthrin 0.8% second generation mosquito repellent, less toxic to humans but very toxic to mosquitoes. This drug (transfluthrin family) has been passed in more than 50 countries (not the banned type that is dangerous to humans) and is often recommended in countries that are at risk of dengue and malaria epidemics. 2. Micro-smoke is Zenden's technology that emits finer smoke, spreads quickly and easily enters the air pores of mosquitoes and insects. Effects as fast as 1 minute if there is air flow.