SONOFF TX T2EU-RF 433MHz Wireless Stick-on Smart Wall Switch
User Manual V1.1
Product Introduction
This device is designed to work with SONOFF TX Wi-Fi smart wall switches (433MHz) and other 433MHz smart devices.
Switch Configurations
The device is available in the following button configurations:
- 1C: Single Button
- 2C: Double Button
- 3C: Triple Button
The device supports pairing one button at a time. Refer to the switch user manual for RF pairing and clearing methods.
The device is available in versions with and without batteries.
Product Specification
| Model | Power Supply | Battery Model | RF | Dimensions |
|---|---|---|---|---|
| T2EU1C-RF, T2EU2C-RF, T2EU3C-RF, T3EU1C-RF, T3EU2C-RF, T3EU3C-RF | 6V (2 x 3V button cells) | CR2032 | 433MHz | 86x86x9mm |
Note: T3EU1C-RF, T3EU2C-RF, T3EU3C-RF in black color 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
This setup allows multiple stick-on switches to control a single light fixture. A main wall switch acts as the primary controller, with additional stick-on switches linked to it.
One Switch Controls Multiple Lights
A single main wall switch can manage multiple light fixtures. Additional stick-on switches can also be integrated into this configuration to control the same set of lights.
Installation Methods
Method 1: Adhesive Mounting
The switch can be mounted using the included high-strength 3M adhesive strips on the back of the device.
Method 2: Screw Mounting
Alternatively, a backplate can be mounted to the wall using screws, and the switch unit can then be clipped onto the backplate.
The device weighs less than 1kg. An installation height of less than 2 meters 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 transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
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 the following internet address: https://sonoff.tech/usermanuals
TX Frequency: SRD:433MHz
RF Output Power: 4.88dBm EIRP