LocTek Height Adjustable Desks is the carrier of intelligent office products, advocating the new mode of "sitting, standing and moving" alternately, creating efficient, healthy, intelligent and personalized overall office solutions for people who sit for a long time and sit at their desks all over the world. Height-adjust desks can reduce sedentary behavior and promote health even outside the workplace. Height-adjust desks can increased productivity, better concentration, and improved overall health. ET118W: Wood tabletop and drawer Stage & Rectangular Column & Single-Motor System,Two-Stage Frame ET118: Glass tabletop and drawer 2-Stage & Rectangular Column & Single-Motor System,Two-Stage Frame ET114-N: 2-Stage & Reversed Column & Rectangular Column Standard model: economy choice. Smoother height adjustments from 28.0” to 47.6” with 1″ per second transition Low noise while running. Under 50dB in running mode. Robust and stable construction. ET114E-N: 2-Stage & Reversed Column & Rectangular Column Standard model: Budge friendly Single-Motor System,Two-Stage Frame ET123(IB): 2-Stage &Square Column Dual-Motor, Holeless Frame FC01A-1 Control Pad,45w under desk quick charging USB hub. ET223(IB): 3-Stage & Square Column Dual-Motor, no hole Design FC01A-1 Control Pad,45w under desk quick charging USB hub. ET224(IB) rectangular column: Stage &Rectangular column& Dual-Motor ET114(KZ01) Quick installation: Stage & Reversed Column & Rectangular Column Pre-assembled design: Assembles easily in under 5 minutes. Smoother height adjustments from 28.0″ to 47.6″ with 1″ per second transition. Low noise while running. Under 50dB in running mode. Robust and stable construction. ET119 Quick installation: 2-Stage & Rectangular Column Single-Motor System, Two-Stage Frame , Whole Table Design ET223H(IB)+CMP025-02M: 3-Stage Base& 4-Motor Specification ET118W: Number of motor : 1 Style: 2-Stage Base Adjustment Speed: 25mm/s Load Capacity: 50kg Anti-collision: YES Low Standby Power: