Brand: World Products (Landmark)
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $9.99
Default variant: 1 Card Ruler
Default SKU: dcd-30003297765
Default price: $9.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Vendor: World Products
Weight: 10 g
Cart URL (default variant): https://petsandbaby.landmarks.builders/cart/43336748433456:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://petsandbaby.landmarks.builders/products/m4x-10001165810
JSON data: https://petsandbaby.landmarks.builders/products/m4x-10001165810.json
This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
Core Function: This ECG reading ruler works as a practical healthcare aid for quick, structured review of electrocardiogram strips, helping you follow each step with less guesswork.
Measurement Guide: The clear scale and labeled sections make it an easy-to-use electrocardiogram guide for checking heart rate, rhythm, axis, PR segment interval, QRS duration, and T-wave shape.
Portable Size: Sized like an ID card, this ECG measurement card fits neatly in an ID holder, pocket, or medical bag, so it is ready whenever you need it.
User-Friendly Design: The heart rhythm ruler layout is straightforward to read, making it useful for medical students, doctors, and anyone who wants a faster way to study ECG patterns.
Study Support: By organizing key reference points on single compact card, it helps reduce confusion during ECG interpretation and supports more confident learning during class, rounds, or practice sessions.
Summary: Portable ECG Reading Ruler Clear Scale Heart Rhythm Ruler Easy to Use for Nurses. 【Core Function】: This ECG reading ruler works as a practical healthcare aid for quick, structured review of electrocardiogram strips, helping you follow each step with less guesswork. 【Measurement Guide】: The clear scale and labeled sections make it an easy-to-use electrocardiogram guide for checking heart rate, rhythm, axis, PR segment interval, QRS duration, and T-wave shape. 【Portable Size】: Sized like an ID card, this ECG measurement card fits neatly in an ID holder, pocket, or medical bag, so it is ready whe
Generated by: m4x-map-v1
This product has 12 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.
This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).
Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only.
POST https://wp-sfc-carrier.htfu.workers.dev/application/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "Portable ECG Reading Ruler Clear Scale Heart Rhythm Ruler Easy to Use for Nurses",
"quantity": 1,
"grams": 10000,
"properties": {
"_length_cm": "18.0",
"_width_cm": "17.0",
"_height_cm": "3.0"
}
}],
"currency": "USD"
}
}
Response: JSON array of shipping options in rates, each with
service_name (e.g. "Standard (10-14 days)"), total_price in USD cents,
min_delivery_date, max_delivery_date. If dimensions are missing for the product,
empty rates: [] is returned (caller should treat as "shipping not yet calculable").