LEDHOLYT 2pcs 25W White 3157 LED Brake Bulb Car Light 3057 3457 4157 3047 Dual Function Turn Signal Front rear Backup High Power Oversize LED replacement bulbs can fit vehicle tail lights, reverse lights, turn signals or side marker lights. This dual-contact bulb has 33pcs LED chips that create a 360degree viewing angle for better, allover light emission with reduced hot spots.No harm to human and environment. Fully aluminum housing heat dissipation fast, fast luminous efficiency, less power, energy saving. Long life: life up to 50,000 hours, longer than the traditional light bulb that is no more than 2000 hours. Start fast: LED without hot start time, quick reaction, lighting fast response (the nanosecond range).