Check the listing for details. Jenzi Smart LED Bite Indicator Tip Light. Condition: New, Made in China. Listed at 17.79 USD. Jenzi Smart LED Bite Alarm Tip Light This SMART LED tip light has an integrated bite indicator. The sensor has been developed so that a bite from the fish is immediately detected and the color of the LED changes (from green to red upon bite). This means you won't miss a bite, especially when fishing at night. The smart sensor can distinguish very well between a bite or a slight movement, for example. distinguished by a gust of wind. With this SMART LED tip light, losing or dropping the tip light during drilling is a thing of the past. The rod tip is fixed using a specially developed folding mechanism. This LED tip light is suitable for rods with a blank diameter of up to 2.6 mm. This means it can be used for almost all rods, from a fine feeder rod to a stronger basic rod. Battery required:.