Can you also plug in it a laptop and cell phone/tablets, or is it only for appliances?

Yes, it's also ok for laptop and cell phone, while, I do not think you need to use it, as in my opinion, it's 100V-240V, you could double check your manual.

Will the 1600 watts converter work for maestri staple gun 1200 watts=(120vx10amps) in sweden? need to convert from us: 120v,60hz to sweden: 230v, 50hz

Dear, your staple gun is 120V required, right? Then yes, it's ok, but the frequency is no changing, as UMI product is voltage converter only.

Does it convert 50hz to60hz

Hello. The UMI step down voltage 220v to 110v converter can work on both frequencies. It is not a double conversion device. The voltage converter will put out the same Hz as you put in. A transformer changes the voltage, not the frequency of the current supplied by the mains. The "mains" is the public supply of electricity. Some systems use 50 hertz frequency, others 60 hertz. Some appliances are designed to function on both frequencies but either exclusively on 110-120 volts or exclusively on 220-240 volts. Some work on both frequencies and both types of voltage. Almost all of appliances work on both frequencies. That's why transforming voltage is sufficient for most appliances. If in doubt, check the frequency of the mains and see if it is within the specifications of the appliance. If it says 50 Hz to 60 Hz, That would be OK. Any questions with our products or step up step down voltage converter please feel free to contact us. Thanks for your trust and support!

Does this work for smart and timed devices? Such as a rice cooker or a slow cooker with an automatic timer?

Yes, of course it's ok, just making sure the devices need 110V and power consumption is within the converter's capacity.

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UMI Step Down Transformer 220V to 110V 1200W Use US Appliances to Europe

Product ID: 659560154

Details

Brand
UMI
Item weight
12.1 Pounds
Number of Items
1
Power source
Corded
Specification met
CE CQC

⚡1200W continuous power

🔄220V to 110V step-down conversion

🛡️6-layer safety protection

Description

⚡ Power your global lifestyle with sleek, safe, nonstop energy!

SLIM YET MIGHTY - Ultra-thin toroidal transformer design saves space and boosts energy efficiency with whisper-quiet operation.
SMART SAFETY FIRST - LED indicators and audible overload alarms keep you informed and protected at all times.
CERTIFIED STYLISH - CE & CQC certified with a sleek snow-white shell that complements any modern workspace or home.
POWER THROUGH NONSTOP - 1200W continuous load capacity keeps your devices running 24/7 without a hitch.
DUAL OUTLET CONVENIENCE - Simultaneously power two 110V devices—perfect for multitasking pros.

The UMI LX-1200 SD is a compact, energy-efficient step-down voltage converter that transforms 220V-240V input to 100V-120V output with a continuous 1200W capacity. Featuring a slim toroidal transformer, dual outlets, LED status indicators, and six layers of safety protection, it’s CE & CQC certified for reliable, quiet operation—ideal for professionals needing seamless power compatibility for their 110V electronics abroad or at home.

Specifications

ASIN	B078GS87N1
Brand	UMI
Brand Name	UMI
Customer Reviews	4.3 out of 5 stars 81 Reviews
Item Highlight	voltage converter 240v to 120v,Canada Japan Equipment Use in Asia ,Heavy Duty,2 Output 100V 110,Safe and Effective,White
Item Weight	12.1 Pounds
Item weight	12.1 Pounds
Manufacturer	UMI Technology Co., Ltd.
Maximum Frequency	60 Hz
Minimum Frequency	60 Hz
Model	LX-1200 SD
Number of Items	1
Number of Packs	1
Part Number	LX-1200 SD
Power Source	Corded Electric
Power source	Corded Electric
Specification Met	CE, CQC
Specification met	CE, CQC
Unit Count	1.0 Count

Reviews

K**K

Excellent product

I bought this to use my printer and tv in Europe. Great product it has a nice design.

19.05.2024

J**A

Has been working great since Christmas 2023, no issues so far.

I bought this for my uncle's kitchenaid stand mixer, the mixer was bought in canada, he lives in Portugal, as far as I know its been working great with daily use. It weights about as much as a rhino but that's to be expected from a transformer capable of withstanding this power.

19.05.2024

C**N

livraison assez rapide

Le produit est arrivé assez rapidement. De l’extérieur le transformateur parait comme dans la description. Cependant je ne l'ai pas encore testé dans le pays du 220v.

20.05.2025

L**O

Not good enough

Not good enough. Packed up within 3 months of use.

11.09.2025

G**2

Encountered two major issues

First, there was a power interruption and this did not turn back on. (There is no mention of power recovery after an interruption. Second, the transformer was on a power on state but there was no power on the output side. I verified this with a multi meter. Turning it off and on again fixed it. I simply cannot allow these setbacks because this is powering a refrigerator.

12.10.2024

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