The R16-504AD is a plastic square switch with OFF-ON function and a 3V LED indicator. Rated for 3A 250VAC, it has a contact resistance of 100mOhm max and an electrical life of >= 10,000 cycles. The switch has a dielectric strength of 500VAC 1 minute, and an operating temperature range of -25C~+85C. This switch is available for both OEM and ODM purposes.
Features:

Plastic square switch
OFF-ON function
3V LED indicator
Rated for 3A 250VAC
Contact resistance of 100mOhm max
Electrical life of >= 10,000 cycles
Dielectric strength of 500VAC 1 minute
Operating temperature range of -25C~+85C
Available for OEM and ODM purposes

Resource
Datasheet