The amazing Wifi T-shirt is a must for geeks and non-geeks alike. Watch it illuminate to show WiFi signal strength. Uses electro-luminescence (EL) technology. This technology is superior to other light emitting technologies because it is light weight, flexible, durable, generates no heat, waterproof and landfill friendly because it's production uses no hazardous materials. Available in Medium(39-41"),Large(42-44")and X-Large(45-47") Required 2 AAA batteries not included.
**ONLY AVAILABLE IN MEDIUM**