LED Chicago Code Exit Sign - Meets Chicago Code Requirements.LED Chicago Code Exit Sign features include: Designed for Chicago applications where a steel housing is required20-Gauge Steel Housing White Powder Coat FinishRed Silk-screened lettering on white heat-tempered, impact-resistant glas lens Universal pattern knock-out on rear for direct mounting to junction boxTemperature Rating: 50°F - 104°FVoltage: 120-277V Maintenance-Free Nickel-Cadmium BatteryUL 924 Listed for damp location and City of Chicago approved 5 Year Warranty Order Qty of 1 = 1 Piece Spec Sheet Below is more info on our LED Chicago Code Exit Sign