diida dii7889 900W PTC Ceramic Desktop Heater

Desktop: The diida dii7889 is a compact, corded PTC ceramic heater for tabletop use in small indoor spaces. Its two heat settings and adjustable thermostat suit personal warmth at a desk or in a small room, rather than broad-area heating.

At a glance

The listing describes two power levels, 600W and 900W, with an adjustable thermostat.
Compact tabletop design is listed for indoor use in small spaces.
Overheat and tip-over protection are claimed by the listing.

Price

$25.49Save 15%

Reference price: ~~$29.99~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Two heat levels offer a lower-output option as well as the listed 900W setting.
Compact dimensions and tabletop mounting suit desk-side or other small-space use.
Adjustable thermostat and stated tip-over and overheat protection add useful control and safety features, as claimed.

Cons

The listed coverage is limited to small spaces, so it is not presented as a whole-room or large-area heater.
At 900W maximum output, it is a lower-output option than heaters intended for larger spaces.

Technical specifications

16 specifications

Identity
Brand	diida
Model	dii7889
Colour	white
Form factor	Compact

Heating and power
Heating method	PTC Ceramic
Power source	Corded Electric
Heat output	900 Watts
Heat settings	2
Heating coverage	Small spaces
Fuel type	Electric

Dimensions and use
Dimensions (D x W x H)	10.3D x 15W x 21H centimetres
Mounting type	Tabletop Mount
Indoor/outdoor use	Indoor
Recommended uses	Desk, Home, Office

Features
Special features	Adjustable thermostat, Dual heat settings, Lightweight, Overheat Protection, Tip-Over Protection

Origin
Country of origin	China

What to know before buying

The listing gives a 900W heat output and separately specifies 600W and 900W settings. It also claims rapid heating, a quiet fan and automatic shut-off for tip-over or overheating, but provides no measured performance or operating-noise figures.

What’s in the box

Included

Heater

Who is it for?

A good fit for

People seeking a compact tabletop heater for personal warmth at a desk or in a small indoor space.
Buyers who want two heat settings and an adjustable thermostat in a corded electric heater.

Less suited to

People looking to heat a large room or use the heater outdoors.
Buyers who need a substantiated noise level or measured room-heating performance.

diida dii7889 900W PTC Ceramic Desktop Heater · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 2 ratings

5 stars100%100%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star0%0%

A small aggregate rating sample is entirely five-star, but it does not establish specific customer experiences or reveal why those ratings were given. There is no customer-comment summary to identify reported strengths or concerns, so buyers should weigh the listing's small-space positioning and modest 900W maximum against their own heating needs.

Frequently asked questions

What are the diida dii7889's heat settings?

The listing describes 600W and 900W settings. Its headline heat-output field gives 900 Watts.

What size area is this heater intended for?

The stated coverage is small spaces, with desk, home and office use listed. No room-area measurement is supplied.

Does it have an adjustable thermostat?

Yes. An adjustable thermostat is listed, alongside two heat settings.

What safety features are claimed?

The listing claims tip-over and overheat protection, and says the heater automatically shuts off if tipped or overheated. This is a listing claim, not an independently verified result.