About this product: 360 multiple protection: Ultrasonic repellents attract mosquitoes and insects through the auxiliary light source of the night light, then generate ultrasonic and electromagnetic waves to destroy its sensory system, nervous system and fertility function. In order to achieve long-term effective mosquito repellent effect. Say goodbye to traditional mosquito repellent methods: No chemicals, non-toxic, odorless, quiet and radiation-free Ultrasonic waves and transmitted electromagnetic waves have no effect on pregnant women, children and pets. Effective and long-lasting: use for 5 to 7 days to reduce the senses of mosquitoes and insects, use for 7-12 days to gradually stimulate and destroy the senses of mosquitoes and insects, use for 12-20 days to destroy the central nervous system of mosquitoes and insects, use for 20- 30 days directly affects the fertility of mosquitoes and insects. Ultrasonic repellent takes a while to work, so be patient. Flame Retardant: This electric pest control is made of high quality ABS flame retardant materials. The device is energy efficient, quiet, environmentally friendly and radiation resistant. Suitable for all occasions: it is also ideal Electronic Pest Device devices can be used in homes, warehouses, offices, gardens , hotels, caves. Product Color:Blue. Are you still concerned about stinging, harmful and dangerous repellents? Our repellents use No chemicals, non-toxic, odorless , quiet and radiation-free Ultrasonic waves and scattered electromagnetic waves have no effect on pregnant women, children and children and children. Still worry that the effect will not be good after use and you can't eliminate mosquitoes and insects completely? Ultrasonic repellent attracts mosquitoes and insects through the auxiliary light source of the night light, then generates ultrasonic and electromagnetic waves to destroy its sensory system, nervous system and function of fertility. In order to achieve long-term effective mosquito repellent effect. Ultrasonic repellents with night light Suitable for all occasions. Product size: 73 * 50 * 62 MM. Product power: 0.2 W. Product material: ABS. Output frequency: 20-65KHz.