Model:Pet Crystal Product Parameters: Ratio: 16:9 / 4:3 / Customized Ambient Light Rejecting Ability : Excellent Gain : 0.6 Applicable Projectors : Ultra-short Throw Viewing Angle : 160 degrees Size : 100 and 120 inches Support 4k : Yes LED QTY: 30led/meter Light Color: Change with HDMI input, or controllable by APP Input Voltage&Power: 12V 2A(max) Lifespan (hours): 50000 Control Mode: APP Control, Switch Control, Voice control Length: Sub 60": 2m*2 60-75" Screen: 2.5m*2 75-90" Screen: 3m*2 90-120'' Screen: 4m*2