Voltage: 100~120V/220~240V

Frequency: 50Hz/60Hz

Power: 25W\50W\75W\100W\150W\200W\250W\300W\500W

Packing: Gift Box or Blister

Pcs/Ctn: 50pcs

Length: 25W\50W: (175mm)   75W\100W:(220mm)    150W\200W:(260mm)

250W\300:(320mm)   500W (420mm)

FEATURES：

1, Safe& durable, double hermetic design, fully submersible

2, Reliable, Sensitive and Precise temperature adjustments

3, Flameproof and blastproof Quartz tube, high safety and heat fast. excellent material, endurable for using

4, Suitable for both fresh water and Salted water