∵ EL Wi Fi Dectection T-Shirts:
　

• By popular EL WiFi Detector T-Shirt is exactly what you need when you're trying to find a Wi-Fi signal. The circular blue decal mixes contemporary style and the latest technology that lights up the white bars showing you the strength of a nearby WiFi signal.

• These Tee's are the perfect little gizmo for when you're on the move, trying to find a WiFi signal. Instead of going through the hassle of digging out and starting up your laptop, all you have to do is look down at the bars on the Tee that light up depending on how strong the WiFi signal is and Hey Presto! Instant wireless internet access for you. Pretty cool, eh? Whether you're at uni, in an airport or at a Star Trek convention, the WiFi detector T-Shirt is perfect for the geek in all of us.
  
  •Displays the strength Wi-Fi signals when you're out and about
  •Shows the strength of 802.11b & 802.11g & 802.11n signals
  •Made from 100% Cotton
  •Removable decal for easy washing
  •Small battery pack is hidden inside the T-Shirt
  　

Products Information:

Merchandising: customers can use their own brand/logo, or they like pattern
Flash effect: Flash effect could be changed by client request
Device of EL sheet: sew on clothing or stick on clothing

Washing :

1.Dry Clean or Hand wash
2.Remove power unit before power
3.Do not submerge any part of the flash panel

Using :

1.Insert standard 4*AAA batteries
2.Slide switch to operate power
2.Use selector on pack to choose flash pattern
3.Do not bend or apply pressure to the flash panel.