Description : Electronic Ultrasonic Pest Repeller Repellent Anti Mosquito Cockroach Insects Rat Electronic Ultrasonic Pest Repeller， adopts modern microelectronic technology， effectively stimulus the nervous system of pest' hearing system， make them feel discomfort and fled the scene， include all kinds of mouse， cockroaches， ants， spiders， mosquitoes， bugs， fleas， silkworm moth and so on. Moistureproof design， frequency inverter/solid two modes optional， Electricity LED display， the valid range about 80-150 square meters. Lowe power consumption， energy saving. NOTE : 1. This product is suitable for indoor use only， if in outdoor use， effect in low. 2. This product need to use for a long time， to ensure the effect lasts. 3. The child must be used in adult supervision， do not let them use this pest repeller by themselves. Specification : Material : ABS Color : White Size : 10.7 x 8.4 x 6.3 cm Power supply : 90-250V 50-60Hz Power : ≤ 6 W Fixed frequency ultrasonic frequency : 28k ± 2.5kHz Alternating frequency range : 9 ~ 36 KHZ Ultrasonic sound pressure (MA x ) : 115 db Net Weight : 79.8g Package Includes : 1 x Electronic Ultrasonic Pest Repeller Details Pictures :