LICHEN 2L Ultrasonic Cleaner with Digital Timer & Heater

In this review the LICHEN 2L Ultrasonic Cleaner is evaluated for home users, hobbyists and small labs looking for a compact but capable parts washer. The bottom line: it delivers professional-grade cleaning power in a portable package thanks to its 40KHz ultrasonic frequency and built-in heater, which make short work of grime on jewelry, glasses, watches and small tools. The digital controls and stainless steel tank give precise, repeatable results that suit light lab tasks and jewelry maintenance without taking up much bench space.

Key Features

• Digital control panel: Precise time and temperature settings allow repeatable cycles and easier setup for different soils and materials.
• Adjustable heater to 80C: The built-in heater raises cleaning effectiveness for oils and residues that respond to heat.
• 60W ultrasonic power: Professional-grade cavitation at 40KHz penetrates small crevices to clean intricate jewelry and watch parts.
• Durable stainless steel tank: A 304 stainless steel liner and tank resist oxidation for longer service life in workshop or lab use.
• Compact 2L capacity: The small footprint and supplied mesh basket make it easy to clean multiple small items without wasting space or fluids.
• Safety and stability: Non-slip feet and a built-in fuse improve safety during routine operation.

Who It's For

This unit is aimed at jewelers, optical technicians, watchmakers, university labs and hobbyists who need a reliable countertop cleaner for delicate parts and small batches. Its combination of temperature control and ultrasonic energy is well suited to cleaning metal, glass and many hard materials commonly found in those settings.

It is not intended for large-volume industrial cleaning or oversized components; users who need to process larger parts or high throughput should consider a larger-capacity ultrasonic tank. Also, items sensitive to heat or ultrasonic agitation should be cleaned by hand or with manufacturer guidance.

Pros & Cons

Pros

• Compact 2L size fits easily on a bench and is convenient to store.
• Precise digital timer and heater deliver consistent cleaning cycles.
• Sturdy 304 stainless steel construction and mesh basket resist corrosion and simplify handling.
• Good ultrasonic power and frequency for detailed cleaning of jewelry and small parts.

Cons

• Small tank limits use to small items and batches, so it is not suited for large tools or high-volume lab workflows.
• The control panel offers basic functions only, so advanced users may miss programmable presets.

Specifications

Capacity	2L
Ultrasonic power	60W
Ultrasonic frequency	40KHz
Timer	Adjustable 1-30 minutes
Heater	Up to 80C (176F)
Materials	304 stainless steel tank and mesh basket
Dimensions (tank)	Inner tank 5.9in x 5.3in x 3.9in

Our Verdict

The LICHEN 2L Ultrasonic Cleaner is a strong option for anyone needing a small, reliable ultrasonic washer with temperature control. It balances effective 40KHz cleaning and a corrosion-resistant tank in a compact footprint, making it good value for jewelers, watch technicians and small labs that process limited batches. Those needing larger capacity or advanced programmability should look elsewhere, but for routine precision cleaning this model is hard to beat for the price and feature set.

Frequently Asked Questions

Can this cleaner heat water to help remove oils?
Yes, the unit has an adjustable heater that reaches up to 80C (176F) to improve removal of oils and stubborn residues.

What items are safe to clean in this machine?
It is suitable for jewelry, eyeglasses, watches, small metal parts and many tools; avoid items that are heat-sensitive or explicitly marked as not compatible with ultrasonic cleaning.

How large is the usable tank area?
The inner tank measures approximately 5.9in x 5.3in x 3.9in and comes with a mesh basket sized about 5.4in x 5in x 3.3in for convenient loading.