T-1 3/4 PACKAGE . WITH BUILT-IN BLINKING IC. OPERATION VOLTAGE FROM 3.5V TO 14V. BLINKING FREQUENCY FROM 3.0Hz TO 1.5Hz. RoHS COMPLIANT. Notes: 1. All dimensions are in millimeters (inches). 2. Tolerance is ± 0.25(0.01") unless otherwise noted. 3.Specifications are subject to change without notice..