Receiver specification:

Transmission interface:UART
Frequency: 433.92MHz
Receive Sensitivity:-95.dBm
Effective receiving distance:20 mm
Working voltage:5V~12V DC
Operating temperature:-20~80
Appearance size: 45mm * 40.8 mm * 11.5 mm
Color: Black
Long (cable):98MM
Weight: 0.135kg

The external connector and definition:
1.
Mini-USB port
PIN1: VDD
PIN5: GND

2.
Connector:Mini-USB port.
PIN1: VDD
PIN2: RX
PIN3: TX
PIN4: N/A
PIN5: GND
Connector:Mini-USB PORT
RED: VDD
WHITE: RX
YELLOW: TX
BROWN: N/A
BLACK: GND

Sensor specification:

Frequency: 433.92 M hz
Measuring range: 0~60PSI
Accuracy check: pressure 1 PSI/TEMP 2
Working voltage: 3V DC
Appearance size: 46.6mm * 23.3 mm * 13.2 mm
Weight:0.0275 (1g)
Battery life:5~8 (as the work day and)