This Blue LED Indicator features a 2-position on and off switch, making it convenient and easy to use. Available in 16 or 19mm, it is suitable for various applications. The LED indicator uses 20mA at 12 Volt DC, ensuring energy efficiency. The black flush mount design adds a sleek and professional look to any setup. With a light press for momentary action and a full press to latch on, it offers versatility in functionality. Each purchase includes an O-ring and mounting nut, making it compatible with most makes and models.