The Gold Standard LightSheer Duet is a revolutionary device with vacuum assist technology. It can dramatically increase the spot size to 22 x 35 mm. Key Functions Patient Base: Grow your patient base. Differentiate: Differentiate your practice. Reduce: Reduce treatment times up to 75%. Prep Time Eliminate prep time. No Anesthetics: No need of anesthetics and gels. Hair Removal: It makes hair removal profitable. Easy Treatment: The LightSheer enables you to treat backs and legs easily in only 15 minutes.