The light is flexible and durable enough to be bent into any shape without breakage,(over 60-degree angle) 1) Impact resistance and can withstand weight 2) Water resistance 3) Sustainable to temperature range of -20 degree to 60 degree. 4) Diameter: regular diameter including 13mm, 14mm, and 16mm 5) Brightness: comes in regular, high-grade and ultra-brite types. 6) Circuit design: 2-wire, 3-wire, 4-wire and 5-wire designs are available for both round and flat models.