TDP Heat Lamp CQ - 35, CQ - 36, with CE certificate Index of main capability Voltage of power Model for standard voltage(110V/220V) 50/60Hz Power consumption: ≤ 250W(for each rediation point)int)int) Display system: Four-digit display/liquid crystal display Environment temperature when using: 5 - 40 Environment humidity when using: 85% CQ-35