Mini Household Jewelry Ultrasonic Cleaner Features: ---Stylish Design Perfect for Home-use ---3 minutes auto off ---First Mass-Produced Desktop Ultrasonic Cleaning in the Market ---Wide-Diameter Transducer for Best Cleaning Result Jewelry Ultrasonic Cleaner Applications: Jewelry and Watches Necklaces, Earrings, Rings, Bracelets, Coins, Watches Straps and Bands etc. Eye Care : Glasses, Sunglasses, Contact Lens Accessories Daily Personal Care: Dentures, Combs, Toothbrushes, Table Wares Jewelry Ultrasonic Cleaner Specifications: Ultrasonic Frequency---42, 000 Hz Tank Material-- Stainless Steel SUS304 Tank Capacity-- 600 ml Timer-- 3-minutes Auto Cut-off Power Supply-- AC 100~ 120V, 50/ 60Hz 220~ 240V, 50/ 60 Hz Power-- 35W Tank Size --155* 95* 52mm ( L* W* H) Overall Size-- 200* 140* 125mm ( L* W* H) Packing Size-- 245* 174* 165mm ( L* W* H) N.W.--1.00 kgs G.W.-- 1.21 kgs Jewelry Ultrasonic Cleaner Shipping Information: Carton size ( 12pcs) -- 546* 509* 355mm ( L* W* H) Carton weight ( 12pcs) -- 14.8 kgs ( gross) 20' GP-- 3, 000 pcs 40' GP-- 5780pcs 40' HQ-- 8243 pcs