Vaco Elektro Max is a modern electric device that works with replaceable bottles and cartridges. The set includes a universal plug and a 45ml liquid container that will provide effective mosquito protection for up to 60 nights. What sets the Vaco Elektro Max Stop mosquitoes apart? Universal swivel plug for fluid and plates. Odorless insect repellent liquid. Effective for up to 60 nights. The Vaco mosquito repellent offers long-lasting and effective protection. After connecting the device to the power source, the odorless active substance begins to evaporate, and its vapors have a biocidal effect on the insects in the room. In addition, it protects against insects flying in from outside, giving you peace of mind both day and night. The agent starts working 20 minutes after connecting to the power source, and the complete destruction effect occurs 90 minutes after placing the device in the electrical outlet.