This Retrofit USB Charger attaches securely to a wide range of table or desk thicknesses using an adjustable rear clampno cut-outs required. It features two 15A power outlets and two voice/data ports (jacks not included), with a Voice/Data Adapter Kit included for easy customization. With a 6-foot cord, UL and CSA certifications, and available in black or transparent finishes, this unit is easy to install, remove, and reuse as needed.