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4K High Definition
Calefo HDMI Sync box is compatible with connecting to Two 4K HDMI devices. Support 4K @ 60Hz; 1080p & 1440p @ 120Hz, give you precise
image resolution. -
HDR10+
Supports HDR10+, delivering rich and vibrant colors for the highest quality experience when watching movies, TV shows, and gaming.
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Realtime & Accurate Sync
No flickers—enjoy 20ms of low latency and ultimate color sync for an impressive movie and gaming experience.
Compatible to Any HDMI Devices
Easy Convient Wireless Control
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Calefo Light APP
- Free iOS & Android APP
- Control by Bluetooth
- AI picture scene generation
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Calefo Light PC Software
- Free MacOS & Windows Software
- Video & music & light sync
- Control by Bluetooth




The Smart Core
Calefo lights use Zigbee and Bluetooth protocols for greater stability and power efficiency, keeping your lights connected without worries when WiFi is unstable and integrating to your smart home.
Additionally, our patented Calefo Magic and Calefo Chroma algorithms deliver the ultimate light and music synchronized experience, perfectly matching light effects with your music.
Easy Setup
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1. Power Up The HDMI Sync Box
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2. Insert Your HDMI Devices
Insert your TV box, game console, computer and projector etc.
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3. Pair with Smart Lights In Calefo Lights APP
Light Up Your Home with Calefo

Quick view
RGBCW Smart TV Lightstrip
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Regular price
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$199.99
$1,099.99
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Regular price
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Sale price
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$199.99
$1,099.99
- Regular price
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$199.99 $1,099.99 - Regular price
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- Sale price
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$199.99 $1,099.99
Quick view
RGBCW Smart Floor Lamp
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Regular price
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$259.99
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Regular price
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Sale price
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$259.99
- Regular price
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$259.99 - Regular price
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- Sale price
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$259.99
Quick view
RGBCW Smart Lightstrip
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Regular price
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$49.99
$139.99
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Regular price
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Sale price
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$49.99
$139.99
- Regular price
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$49.99 $139.99 - Regular price
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- Sale price
-
$49.99 $139.99
Quick view
HDMI Sync Box
-
Regular price
-
$199.99
-
Regular price
-
-
Sale price
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$199.99
- Regular price
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$199.99 - Regular price
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- Sale price
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$199.99
Quick view
Smart Control Knob
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Regular price
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$49.99
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Regular price
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-
Sale price
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$49.99
- Regular price
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$49.99 - Regular price
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- Sale price
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$49.99
Quick view
340° Rotary RGBCW Smart Tube Light
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Regular price
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$159.99
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Regular price
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Sale price
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$159.99
- Regular price
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$159.99 - Regular price
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- Sale price
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$159.99
Specs
General
Input Voltage
5V/1A
Interfaces
HDMI in x 2
HDMI out
(HDMI 2.0b with HDCP)
Dimension
146.2*90.2*22mm
Weight
390g
Indicator
Flashing blue light-unsynchronized
Red light - Sync off
Green light - Sync on
Technical specifications
Communication protocol Zigbee3.0/Ble 5.0
Wireless Frequency
2.4 GHz
Video Resolution
4K@60Hz; 1080p & 1440p@120Hz; HDR10+
Energy consumption
Standby ≤1W
Working ≤5W
Control
Calefo APP, Calefo PC APP
Application
Home, exhibition hall, office, gaming etc.
Scene mode
Rest, party, music, movie, game etc.
Physical Button
Power on/off and reset
Design and finishing
Material
Synthetic materials and glass
Color
Black
Environmental
Operating temperature
0℃ - 40℃
Operating humidity
0% - 85%RH
Storage temperature
-20℃ - 45℃
IP Rating
IP20
Package Includes
- HDMI Sync Box x 1
- Power supply with correspong plug type x 1
- HDMI Cable x1
- Manual x 1
FAQs
How many lights can I sync at once with the HDMI Sync Box?
You can sync up to 50 Calefo smart lights with one HDMI sync box.
How far can I connect the HDMI Sync Box to the smart lights?
In normal status, it is ≥10 m (about 32.8 feet)