It is made of ABS material which is safe flame-retardant strong and resistant to falling. The pure physical mosquito killing mode is adopted which can be seen safely and efficiently to kill mosquitoes cockroaches and other insects without slipping through the net which is efficient and convenient. Three-layer mesh surface high-voltage mesh: The front and rear multi-layer insulation protection meshes prevent misleading electric shocks and use a more secure and safe double safety switch design. Three states can be switched at will: fully open - half folded - fully folded. 180 foldable design: Both sides can be folded to each other for easy storage and storage. The 1200MAH large-capacity battery can be used for about 50000 times when fully charged. It can save energy and save electricity for a long time. It is a must-have for home travel and enjoy a mosquito-free environment.