The device has poles (9, 10), a monoblock contact (11) and a female connector (13) to connect a storage battery and primary cells. The contact connects terminals (B-, B+) of the cells. A body (4), a cover and bottom (7) form an internal housing (3) to acco...

The lamp (100) has a controllable power module formed of pulse width modulation module (112) and a semiconductor type power switch (113) supplying current to the lamp. A control module (120) adjusts intensity of light generated by LEDs and includes an imag...