FAQ

You can pay with PayPal or major credit/debit cards using the secure PayPal gateway.

We offer two shipping options:

• EMS — provided at no extra shipping cost.
• FedEx — available at a flat rate of 35 USD.

We usually ship the next working day after receiving your order. Delivery times are approximately 10–14 days with EMS and 4–5 days with FedEx.

Yes. Any products shown as “in stock” on our website are available and ready for immediate shipping.

We ship from Taiwan, where all of our devices are manufactured.

Please visit the Products page, choose your desired device, select a color (if applicable), and tap the Add to Cart button. Then proceed to checkout, where available shipping options will be presented.

Yes. All transactions are securely processed through PayPal, and we never share your personal data.

Yes. High‑quality Panasonic AA or AAA batteries are included.

A leaking battery can cause irreparable damage to the electronic device. Always use high‑quality alkaline batteries and avoid brands known to be prone to leakage. We recommend Panasonic Evolta batteries for use in our devices.

High‑quality batteries last about 1 year for the SB‑42, up to 1 year for the NB‑42 (depending on how often the sound alarm is triggered), up to 6 months for the SWR‑1, and 6 or more months for the MT‑11. Battery life also depends on ambient temperature and the specific operating mode of the device.

Steamrock devices are designed for maximum power efficiency, so high‑quality alkaline batteries provide reliable performance without the need for frequent replacement. Alkaline batteries are also safer than lithium rechargeables, which is especially important on boats where fire risk must be minimized. Installation is clean and simple—no wires, chargers, or cables are required. Unlike rechargeables, which have a limited lifespan and eventually lose capacity, alkaline batteries remain dependable and easy to replace. For these reasons, we recommend alkaline batteries as the most practical, safe, and efficient choice for our devices.

The Steamrock SB‑42 V3 Barometer can display atmospheric pressure in mb, hPa, and inHg.

The Steamrock NB‑42 Barometer can display atmospheric pressure in hPa and inHg.

Yes. The Steamrock SWR‑1 Sea Wave Recorder displays wind wave and swell data separately on the graph.

Yes. The Steamrock MT‑11 Precision Moon Tracker calculates and predicts both partial and full moon eclipses, including the date and precise time of the eclipse’s maximum.

Please refer to the Downloads section of the Steamrock website.

Please refer to the Downloads section of the Steamrock website, or search for them in the Apple App Store or Google Play.

Yes. Our apps are completely free and require no subscription fees.