This is a TE Connectivity 0.4A 20V 5.61mm SPST On-Off Toggle Switch 1825219-2. It comes as pictured and does not include any additional parts or accessories.

Specifications:

• Manufacturer: TE Connectivity
• Series: TT
• Mounting Type: Through Hole
• Circuit: SPST
• Switch Function: On-Off
• Current Rating (Amps): 0.4VA (AC/DC)
• Voltage Rating - AC: 20 V
• Voltage Rating - DC: 20 V
• Actuator Type: Standard Round
• Actuator Length: 5.61mm
• Illumination: Non-Illuminated
• Termination Style: PC Pin
• Bushing Thread: Unthreaded
• Features: Epoxy Sealed Terminals
• Operating Temperature: -30°C ~ 85°C
• Actuator Material: Brass, Nickel Plated
• Electrical Life: 80,000 Cycles