Rechargeable, a single charge can support the pepper grinder to be used continuously for 20 minutes, and can grind up to 40 grams of pepper. The design of the rechargeable base helps keep the kitchen countertop clean and tidy. [One-handed operation] - The electric pepper grinder set frees your hands. Just flick the switch with one hand and it will work immediately. Get freshly ground spices easily. Adjustable grinder: 5 levels of grinding for you to choose. Allows you to grind spices from coarse to fine. This electric pepper grinder uses high-quality ceramic rotors. Simply rotate the knob at the bottom of each grinder to adjust the desired coarseness, and easily control the texture of the spices from coarse to super fine 5 levels. Suitable for most solid spices, such as sea salt, black pepper and other spices. [Unique design] - Transparent ABS material (BPA-free) allows you to easily see the remaining spices and easily refill. With the white LED light, you can always use the LED light to observe the amount and coarseness of the spices on the real item. [Wide range of uses] - This electric grinder is suitable for pepper, salt and other solid granular spices. Equipped with a rechargeable base, it is convenient for you to use it anytime, anywhere. This grinder is a great helper for the kitchen, restaurant, party, and outdoor picnic. 5-level adjustable coarseness Simply turn the knob at the bottom of each grinder to set the desired coarseness and easily control 5 levels of herb grinding from coarse to extra fine Durable ceramic rotor The ceramic rotor can easily grind hard peppercorns, sea salt or other spices