Pack: 25 pieces. Box: 200 pieces. Canye Mosquito Repellent Liquid is a high-quality liquid designed for electric mosquito repellent devices (mosquito killers). It traps and kills mosquitoes and other insects quickly. It provides long-lasting protection for up to 480 hours and fills the room with a pleasant lemon scent. It is safe and highly effective for use in homes, offices, and children's rooms.