This ETC Source Four Jr ellipsoidal light comes without a bulb and a C - clamp. It features an Edison plug. Known issue: neither the bulb nor the C - clamp is included.

To use this ETC Source Four Jr ellipsoidal light, first, you'll need to buy a suitable bulb and a C - clamp separately as they're not included. Connect the light to a power source using the Edison plug. When using, make sure the power supply matches the requirements of the light. For maintenance, keep the light clean. Wipe it gently with a dry cloth regularly. Avoid using harsh chemicals. If there are any problems, check the connection of the plug first. Don't try to open the light on your own as it may be dangerous.