Remote control from a smartphone (computer)
See more DEMO version

2 year warranty

All our products are certified

Free shipping within Russia

When ordering from 9 980 rubles

Technical support

If you have any questions, please contact us



Payment is made by bank transfer.

The sequence of actions when buying goods through our website

If you find it difficult to choose the product you need, please read the following:

Control device functionality table

the Table of standard equipment of CRYSTAL stations

Water level sensor selection table,

as well as a technical description of the product (by clicking "More details").

2. After choosing a product, click «Buy».

3. After completing the selection of products, go to the Cart, check your order and fill in your Credentials (be sure to include: postal address, including postal code, phone number, name - this is required for free shipment).

4. Click on «Order Confirmation».

5. When paying, be sure to indicate your order number in the payment details.

An invoice is not issued due to the use of the Simplified Taxation System (STS) by our company (Tax Code of the Russian Federation, chapter 26.2, article 346.11).


When ordering goods from our site for an amount of at least 9980 rubles, we make free delivery to the address you specified in the Russian Federation (as a rule, within a week from the moment the funds are received to the settlement account of Darin LLC).

Upon receipt of the goods, you will receive an invoice, a two years warranty certificate


We provide a two-year warranty from the date the product is sold to the buyer.

The warranty is valid if the warranty certificate is available.

If a warranty case is proved, Darin LLC pays the buyer for the delivery of the goods for repair and back (within the territory of Russia).


For clients