Features:

• Compatible with XRR and ATX-R Power Supply
• Improved shielding to limit debris getting inside the switch
• Better response with one central switch vs multiple contact springs
• Uses 2 AAA batteries (included) 
• Non-skid rubber bottom
• Easily bagged
• Can also be used wired with any standard clip cord
• Run as many as you want in one place without interference
• Comprehensive 2 year manufacturer warranty
  
• Made in the USA

Specifications:

• Diameter: 5"
• Height: 1"
• Weight: 8.6 oz.