1.Mini Ultrasonic Mosquito Repeller. 2.Protect you from mosquitoes. 3.Good Quality 4.Best Price New Design Mini Ultrasonic Mosquito Repeller Watterproof, Easy Clean, No HarmDesciptions:1. Effective range up to 100-1602. Application Place: a. The places which could not use poison bait and pesticide, eg: Flour processing factory, food processing factory, rice factory, pharmaceutical factory, etc; b ...