Thermacell works by heating a mosquito repellent chemical and releasing it into the air. This creates an invisible protection zone around the user. Mosquitoes avoid the area because the vapor blocks their ability to find people.
Thermacell EX90 features a simple one-button interface — just turn it on and enjoy a mosquito-free zone within minutes. Scientifically proven technology creates a protective area of up to 29 m² while remaining compact, durable, and travel-friendly. The device is TSA compliant and provides more than 9 hours of operation on a single charge. It can also operate while charging.
Practical features include a travel lock, optional 2-hour automatic shut-off timer, and battery life indicator. The package includes the EX90 Repeller, one 40-hour refill, a lanyard with carabiner, and a USB charging cable. Additional refills are available separately. A single refill provides up to 40 hours of mosquito protection.
For best battery performance, fully charge the device before long-term storage.
Audio cues and LEDs let you know you’re protected and how much battery life remains. A quick-view window allows easy visibility of the remaining repellent. Powered by a lithium-ion battery, it features an IP54 rating to protect against dirt and moisture.

Technical features

Features

• Uses heat-activated technology to disperse repellent from a refill into the air. Provides 29 m² protection ZONE
• Maximum protection in about 10–15 minutes after turning on
• Rechargeable, up to 9 hours of use.
• Can operate while charging
• Scientifically proven
• TSA Compliant for air travel
• For outdoor use
• Ideal for hiking, hunting, fishing.