SONOFF TX T2EU-RF User Manual V1.0
433MHz Wireless Stick-on Smart Wall Switch
Product Introduction
This device is designed to be used with SONOFF TX Wi-Fi smart wall switches (with 433MHz) and also works with other 433MHz smart devices.
The device is available in versions with and without batteries.
Switch Variants
The device comes in different button configurations:
- Touch switch with RF pairing button (depicted as three square outlines)
- 1C (Single button)
- 2C (Two buttons)
- 3C (Three buttons)
The device supports pairing one button at a time. For RF pairing and clearing methods, please refer to the switch user manual.
Product Specifications
| Model | Power Supply | Battery Model | RF | Materials | Dimensions |
|---|---|---|---|---|---|
| T2EU1C-RF/T2EU2C-RF/T2EU3C-RF/T3EU1C-RF/T3EU2C-RF/T3EU3C-RF | 6V (2 x 3V button cells) | CR2032 | 433.92MHz | PC + Tempered Glass Panel | 86x86x9mm |
Note: Black color versions of T3EU1C-RF/T3EU2C-RF/T3EU3C-RF are not yet released.
Supported SONOFF Devices
- RFR2
- BASICRFR3
- SlampherR2
- 4CHPROR3
- TX EU/UK/US Wi-Fi smart wall switches (with 433MHz) series
Control Ways
Multiple Switches Control One Light
Description: One main wall switch can be paired with multiple stick-on wall switches to control a single light.
Diagram Description: Depicts a main wall switch connected via dotted lines to three stick-on wall switches, all leading to a single light bulb icon.
One Switch Controls Multiple Lights
Description: One main wall switch can be paired with multiple stick-on wall switches, where each stick-on switch controls a separate light.
Diagram Description: Depicts a main wall switch connected via dotted lines to three stick-on wall switches. Each stick-on switch is connected to a separate light bulb icon.
Installation Methods
Method 1: Adhesive Mounting
Description: The switch features 3M adhesive pads on the back for easy mounting without screws.
Diagram Description: Shows the back of the switch with two large 3M adhesive pads.
Method 2: Screw Mounting
Description: The switch can be mounted using screws onto a wall plate.
Diagram Description: Illustrates a person inserting a screwdriver into the switch to release it from a mounting plate, followed by an image of the mounting plate being screwed into a wall electrical box.
Note: The device weight is less than 1kg. An installation height of less than 2m is recommended.
FCC Warning
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Note on Compliance
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Shenzhen Sonoff Technologies Co., Ltd. declares that the radio equipment type T2EU1C-RF/T2EU2C-RF/T2EU3C-RF/T3EU1C-RF/T3EU2C-RF/T3EU3C-RF is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at: https://sonoff.tech/usermanuals
TX Frequency: SRD:433.92MHz
RF Output Power: 4.88dBm EIRP
