Quick detail Pest type: Mouse Pest control type: Swatters Feature: Environmental protection, ultrasonic Place of birth: China guangdong (mainland) Brand: N-ec Model: Yd-m1 Voltage: 220v Output power: 5w Frequency: For 20hz to 40khz Housing material: Refractory materials Size: 19 cm * 13 cm * 9 cm Colour: Black Weight: 1.2 kg Signal cover area: 50 meters in diamete Feature 1. The ultrasonic changes of the machine can not make the pests have "adaptive" and "immunity". 2. Large output and two speakers. Effective exclusion of pests. 3. New rats that can quickly and effectively drive pests cry. 4.Ac / dc dual power supply. When the power supply fails, sd-003 can be automatically powered by the rechargeable battery.   5.With metal hooks, the stall direction of sd-003 can be readjusted to obtai 6.The best effect of exclusion of pests -