Feature(may vary by option.)

●Please make sure you purchased it from HEZHU HIGHLY SENSITIVE & FULLY AUTOMATIC Highly sensitive and automatically reacts to weather changes so you dont have to stay close to the greenhouse.
●Working principle: use solar without electricity. When the temperature rises or falls, the opening of the greenhouse opens or closes.
●UNIVERSAL The replacement cylinder is compatible with most single or double spring greenhouse window openers.
●Lifting capacity: max. 7 kg. Lifting height: max. 40 cm
●The temperature is automatically set from 15 to 25 °C. Do not use this opener cylinder anywhere the temperature exceeds 50° (122F).

[1 piece.]

[Pack of 2]

Description

Specifications:

Material: aluminium and stainless steel.
Colour: black.
Temperature range: 15 ~ 25 ℃ / 60 ~ 77 ℉.
Size: approx. 33 x 1.5 cm / 12.99 x 0.59 inches.
Approximate weight: 117 g.

Box contents:

1 x window opener cylinder only.

Note:

Do not use this opener cylinder anywhere the temperature exceeds 50° (122F).
Do not disassemble the cylinder.
These products must be refrigerated before use.