RC930F is the plug-in sockets,
WT450RCF is the temperature sensor,
This product is suitable for heating equipment in winter or cold area, in order to keep the
room in a special temperature.
One temperature sensor can control 100pcs plug-in sockets. 

Features:

Users can set the target temperature in WT450RCF, when the environment temperature is rising to target temprature.
The temperature sensor(WT450RCF) will send OFF commands to sockets to turn off the plug-in heating equipment.
Then if the environment temperature drop below -0.5 degree than target temperature.
The temperature sensor(WT450RCF) will send ON commands to sockets to turn on the plug-in heating equipment again.
So that the room will be maintaining at a constant temperature automatically. 

Button Description:

LCD, display the CURRENT/TARGET temperature

2.  UP arrow, set the target temperature/manually ON

3.  DOWN arrow, set the target temperature/manually OFF

4.  LED indicator

5.Learn Button,Learn the System Code and Channel number assigned by the Transmitter

6. Manual ON/OFF Button,Turn on/off the pl ed-in devices manually

7. Led indicator

8. The child protection Plug

10. Germany Socket (Can change to other plugs)

Specification:
 

WT450RCF,Temperature Sensor: 

- CURRENT temperature range: 1°C~ 45°C.
- TARGET temperature range: 5°C~ 40°C.
- Temperature accuracy of the measured temperature (CURRENT): ±0.5°C 
- Each Press of UP/DOWN of TARGET temperature: 1°C.  
- Drip-proof design with LCD
- 2pcs*1.5V AA battery
- Wall Mount Holder & Table Stand

RC930F, Plug in Sockets:

- Connection: 230 V ~ 50 Hz
- Transmission frequency: 433.92 MHz
- Maximum Rating: 3680W,16 A
- Maximum range: 100 meters in open area 

* One temperature sensor can be with 100pcs plug-in sockets
* Plug type: Germany,French,Italy,Swiss,Danish,UK,US(2pins&3pins),Australia,Chinese optional