Old Luxos had that: https://www.bike24.com/p238271.html
You can also source some old Shimano switches: SW-NX30
Or switches like Kemo M-172N where it would also bring you USB plug (30-ish euro here)
Would however use the light sensor, never switch on and off my lights!
Old Luxos had that: https://www.bike24.com/p238271.html
You can also source some old Shimano switches: SW-NX30
Or switches like Kemo M-172N where it would also bring you USB plug (30-ish euro here)
Would however use the light sensor, never switch on and off my lights!