How would i change 220v to 110v? i set the 2 prong plug at the back of machine to 110v. what should i do at the front?

Since you plan to use your appliances (200V-240V) in the United States, please make sure to select 110V from the Input Voltage Selector on the back of the ROCKSTONE POWER Voltage Converter Transformer (The factory default setting is on 240V). Plug the power cord into the U.S. wall/power outlet and switch on the Voltage Converter Transformer without plugging in any appliances. The Power Source indicator red light will turn on. Then, plug your appliance's plug into the 220V output outlet located on the front panel (please use a plug adapter if needed) and switch on your appliance.

What is the output Hz?

so if I use a double ended bulb 1200w 90 hz it will work perfectly too ??

How to install fuses?

The fuse holder is on the back of the transformer (above the power cord), please loosen the screw with a screwdriver to replace the fuse if needed. (Package includes 2pcs spare fuses). Please make sure that the fuse and/or the fuse holder is tightened securely when replaced.

Can this work with 220Watts wet grinder purchased from India?

220 watts is probably the running current of the wet grinder... the start up current may be higher. I would try the 1000 watt unit. And you can exchange it if it has trouble with start up for the 2000 watt model which should have more than enough capacity.

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ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty]

ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty]

Product ID: 7465100

Details

Brand
ROCKSTONE
Current Rating
9.09 A
Mounting Type
Fixed Mount
Power Source
Corded
Specification Met
CE

⚡1000W heavy-duty power

🔋5V USB charging port

🔌Dual 110-240V step up/down

50722 som

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Description

🌍 Power Up Like a Pro — Anywhere, Anytime!

MULTI DEVICE READY - Patented 3-mode output with USB port, US outlet, and universal socket powers all your essentials simultaneously.
TRAVEL HOME ESSENTIAL - Includes US power cord, European adapter, and spare fuses—perfect for professionals on the move or at home.
CONFIDENCE IN EVERY WATT - 1000W capacity with 3-year warranty, trusted by Tesla and US Military for unmatched reliability.
POWER YOUR WORLD ANYWHERE - Seamlessly converts 110-120V to 220-240V and vice versa for global compatibility.
BUILT TO LAST BUILT FOR SAFETY - Robust metal casing with circuit breaker and fuse protection ensures ultimate durability and device safety.

The ROCKSTONE POWER 1000W Voltage Converter Transformer is a heavy-duty, dual voltage step up/down converter designed for seamless global use. Featuring a durable metal casing, circuit breaker protection, and a 5V USB port, it supports multiple devices with 110-240V compatibility. Backed by a 3-year warranty and trusted by Tesla and the US Military, it’s the ultimate power solution for professionals demanding reliability and safety.

Specifications

ASIN	B00CLY1WPU
Best Sellers Rank	#121,936 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #470 in Power Converters
Brand Name	ROCKSTONE POWER
Current Rating	9.09 A
Customer Reviews	4.4 4.4 out of 5 stars (693)
EU Spare Part Availability Duration	3 years
Global Trade Identification Number	00617529014595
Included Components	Power converter
Item Weight	13 pounds
Manufacturer	E Depot Express
Minimum Frequency	50 hertz
Model	1000 watt
Mounting Type	Fixed Mount
Number of Items	1
Part Number	1000 watt
Power Source	Corded Electric
Specification Met	CE
UPC	617529014595 617529014465
Unit Count	1 Count
Warranty Description	3 year manufacturer

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50722 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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