NBT-718-4 PROJECTOR MOUNT  Maximum length 0.83m (2.7′) vertically adjustable Maximum length 1.5m (4.9′) vertically adjustable Projector Size: universal Tilt angle: -20o/ 20o Swivel angle: -30o/ 30o Projector weight: 20kg/ 44lbs Material: Precise seamless pipe, SPCC Carton size: 43 * 21 * 12cm Qty/ Carton: 4 Color: white/ black Gross weight: 3.74kg/ 8.28lbs