These 6 x 12V,  35W MR16 Halogen bulbs are New Old Stock, are unused and have been dc tested OK.

They are Part No. ZSL 141A and were used in Molynx CCTV IR50 illuminators for use with monochrome surveillance cameras.

The bulbs are open-fronted and there are no infra red filter glasses included - the reference to '830 nm' on each bulb should be disregarded.

Specification:
Bulb voltage:  12V ac or dc
Bulb type:   MR16
Diameter:   50 mm
Power:   35 W
Beam angle:  10º  Spot