Hanging or freestanding: these fluorescent lights are portable and can be easily hung on the wall with a locking ot on the back t can be placed independently on the reception table during events or celebrations materials: the LED letter light is Made of eco-friendly ABS + PP material for long service life. Requires 2 AA batteries (not included). On/off switch on the back for manual control Durable and Reliable: These alphabet lights are sturdy, not hot, lightweight, corrosion resistant and durable. Long-lasting LED bulbs provide low power consumption while enhancing the festive atmosphere. Applicable scenario: 7 individual LED letters spell out the phrase "marry me", creating a romantic and warm atmosphere for a beautiful wedding proposal. Decorative Uses: Ideal for decorating romantic evenings, Valentine& 39;s Day, marriage proposals, anniversaries and honeymoons.",