Features Automatic Control of Liquid Level: Automatically starts the water pump when the liquid level is too low, ensuring continuous water supply for various applications. Ensures Stable Liquid Level: Automatically stops the water pump when the liquid level reaches a certain height, maintaining a stable container liquid level without manual intervention. Versatile Applications: Suitable for automatic water replenishment in water tanks, buckets, water towers, fish tank water control, and industrial equipment level monitoring. Compact and Reliable: Small size, low power consumption, high functional stability, and ease of installation make it ideal for diverse liquid level control needs. Non Technology: Utilizes non- liquid level sensor for accurate and interference-resistant , ensuring reliable and efficient performance. Features: 1、Versatile: This guide helps you guide the wood while sawing and safely and easily take inventory on planers, ing machines, table saws or wood pickers. 2、Easy to Use: The limit block of the parallel track can be adjusted by loosening the large screw and then the small screw, so that the limit block can be adjusted left and right. 3、Aluminum Alloy Material: The fixed guide of circular saw is made of aluminum alloy material, which is wear resistant and and will not get dirty or fade. 4、Clear Scale: The accurately machined drill guide kit is designed with a accuracy scale on the body that can be adjusted to the thickness of the plate. 5、Reasonable Design: The back plate is smooth without jamming to improve your work efficiency, and the locking design can fix the slicing distance with one key to reduce errors. Specification: Item Type: Parallel Guide Rail System Material: Aluminum alloy Guide Rail: Approx. 300mm / 11.8in / piece Guide Rail Clamp Angle: 90° Package List: 8 x Guide Rail 2 x Slider 4 x Limiter 6 x Sliding Block 2 x Connecting Plate 2 x Wrench 16 x Screw 4 x Plug 4 x Nut 4 x Gasket Package List 8 x Guide Rail 2 x Slider 4 x Limiter 6 x Sliding Block 2 x Connecting Plate 2 x Wrench 16 x Screw 4 x Plug 4 x Nut 4 x Gasket