Goodknight Power Activ+ is India’s most powerful liquid vapouriser. Its visible, powerful vapours instantly spread across the room, driving away mosquitoes — even the hidden ones. India’s most powerful liquid vapouriser, Goodknight Power Activ+ is now 2x faster, providing quicker and more effective mosquito protection. It also continues to work for up to 2 hours after being switched off when used in Flash Mode for 2 hours, ensuring extended protection even after the device is turned off. It is completely safe to use the mosquito repellent machine around children and family.