DONGPAI Heng Balance lamp, Switch on in mid-air USB Powered LED Table Plastic Lamp, Magnetic Desk Lamp, Warm Eye-Care Lamp, Contemporary Soft Light, Office, Home - Walmart.com
Heng Balance Lamp - SFMOMA Museum Store
Heng Balance Lamp - A unique lamp with switch in mid-air by Allocacoc DesignNest — Kickstarter