Base Type:Standard T25 P27/7W 3157. You may simply add a set of load resistor(NOT included) to avoid those issues. Beam Angle:360 degrees. Bulb Size：（For Reference Only）3156 3056 3156A 3456 4156 3157 3157A 3047 3057 3357 3457 3457A 3757 4057 4111 4157,4157NA,3157LL,3356, 4157, 4114,3157A, etc.
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