It is 1meter/2meters lighting soft neon PVC wire, It is a kind of DIY toy with a blister packing. Series No.Article No.Diameter, LengthPower and Description1M-2.0R-1M-3Vφ 2.0mm, 1 M3V power box,2X1.5V battery, ON/Flash,2M-4.0Y-1M-3Vφ 4.0mm, 1 M3V power box,2X1.5V battery, ON/Flash,3M-2.0B-2M-3Vφ 2.0mm, 2 M3V power box,2X1.5V battery, ON/Flash,4M-4.0G-2M-3Vφ 4.0mm, 2 M3V power box,2X1.5V battery, ...