Specifications:- Wire Length: 66 ft (2000 cm)- Distance Between Bulbs: 3 15/16" (10 cm)- Battery Box Size(LxWxH): 2 9/16" x 3 3/8" x 7/8" (6.5 x 8.5 x 2.2 cm)- Power Source: 3Pcs Aa Batteries (not included)- Input Voltage: 4.5 V- Power: 0.32 W- Luminous Flux: 3 Lm- Color Temperature: 3000 K- Bulb Lifespan: 10,000 hrs- Net Weight of Each String Light: 0.44 Lb (0.2 kg). Package Contents:- 2x String Lights- 2x Remote Controllers- 2x Manuals