Christmas Lights, indoor/outdoor Battery Operated NWOT

Specification Bulb Quantity: 40 pcs Bulb Length: 1.4'' Bulb Spacing: 6'' Lead Length: 36'' Total Length: 22.5ft Input Voltage: 120VAC 60Hz 3 x D-Cell Batteries Operated (Not Included) On/Off: Turn on/off Light Option: 3 lighting mode- Steady On/Flash/Twinkle Timer: 4/6/8 Hours Countdown Light Sensor & Timer: Auto turn on at dusk and off after 4/6/8 hours Energy Saving: Lights are dimmed for energy saving. The battery box is buckle closure, waterproof design, it will never be ruined by rain