1It adopts ultrasonic principle to drive rats, which is safe and environmentally friendly, and does not damage the human body. 2The mouse's nerves are continuously stimulated by ultrasonic waves that cannot be heard by human ears to make them escape automatically. 3The ultrasonic repellent has strong penetrating ability, and the repellent area can reach 160 square meters in open areas. 4The main shell is made of fireproof plastic material, which has strong high temperature resistance and guaranteed service life. 5Electronic insect repellent, with 3 gear options, suitable for families, shopping malls, hotels, warehouses, factories. Item Type: Pest Repeller Material: Fireproof plastic Weight: Approx. 112g / 4oz Size: Approx. 10.5x6.6x2.2cm / 4.1x2.6x0.9in Voltage: AC90-240V Working Current: 2mA-80mA Product Power: 8-12W Acoustic Frequency: 80hz-125khz (16 Bands Intelligent Frequency Conversion) Ultrasonic Coverage Area: 160m Use Area of Mosquito Coil: 28m Gear Selection: 3 Gears (1 gear mouse repel ultrasonic + 2 gear mosquito and insect repel ultrasonic + 3 gear mouse repel and mosquito repel (the ultrasonic and mosquito-repeller incense heating function is full on)) Working Principle: Ultrasonic electromagnetic waves physical drive + electric mosquito-repeller incense heating to eliminate Uses: Repellent, mosquito, and insect repellent Applicable Scenarios: Homes, Shopping Malls, Hotels, Warehouses, Factories 1 x Pest Repeller 1 x Mosquito-Repeller Incense 1 x Manual