Blinky Basic Battery Watering Monitor 2.35"

This is the original watering monitor that revolutionized the checking of electrolyte levels in industrial batteries. The new and improved BasicBlinky is twice as bright as the previous model and features a redesigned body to house the indicator LED. The new body has a lower profile and is more robust, making it more resistant to damage. The BasicBlinky battery watering monitor is the low-cost solution for accurate electrolyte monitoring and is now even better because of the following new features and benefits:Basic Blinky watering monitor2.35" probeBlinks green when proper electrolyte is present in batteryBright LED light