Specifications: - Model: 2023 VIPARSPECTRA Pro Series P4000 led grow light - Replaces a 1000 watt HPS/MH - Dimensions: 39.4 x 11 x 2.5 inches - Item Weight: 13.8 lbs - Feature: Dimmable & New Led Layout & Dimmable brightness(0%-100%) - Noise Level: 0 DB, No Noise - Use for all stages of grow and flowering - LED Brand: NEW SMD LED Chips - Number of leds: 1960 PCS - Vegetative coverage: 5 x 4ft - Flowering coverage: 5 x 3ft - Avg. Power Draw: 450W±3% - Amperage: 4.16A at 120V, 2.27A at 220V - Frequency Range: 50-60Hz - Lifespan: 100,000 hours - Warranty: 3 year US warranty.