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AMAZON
Robodo SEN21 MQ-4 Natural Gas Sensor, Arduino, ARM and Other MCU
₹197
₹410
52% OFF
6-Month Low
8-Month Low
Updated 21st Sep 2026, 01:58 AM
Buy Now
Price Analysis & Buying Guide
B
63 / 100
Good Deal
Confidence: 100%
Avg Discount
6.8/28
Recent Discount
22/22
Historical Pos.
11.7/20
Low Proximity
13/20
Trend Bonus
10/10
Avg Price
₹210
6M Avg
₹251
All-Time Low
₹51
All-Time High
₹354
vs MRP
↓52%
Price Benchmarks
Lowest Ever
₹51
5th Nov 2023
Highest Ever
₹354
18th Apr 2023
Average Price
₹210
243 data points
3-Month Low
₹197
21st Sep 2026
6-Month Low
₹197
21st Sep 2026
12-Month Low
₹99
21st Oct 2025
As per price history, Robodo SEN21 MQ-4 Natural Gas Sensor, Arduino, ARM and Other MCU's lowest price is ₹51. The average price is ₹210. Highest ever price is ₹354. Along with deals, coupons & discounts, you can get it at ₹197. Read our Pricing Disclosure
Similar Products
Product Details
| Product Code | B0787KN8B9 |
|---|---|
| Market Place | amazon.in |
| Store | Amazon |
| Brand | Robodo |
| Rating | 2.4 (2 ratings) |
| Category | Gas Monitors & Detectors |
| Manufacturer | Bombay Electronics, 13B Shamrao Vithal Marg, Off Lamington Road. Mumbai - 400007, Robodo |
| Model Number | SEN19 |
| Model Number | SEN21 |
| Dimensions | 7 x 5 x 5 cm; 50 g |
| Country of Origin | China |
Frequently Asked Questions
What is the lowest price ever for Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU?
▶
The all-time lowest price for Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU was ₹51 recorded on 5th Nov 2023. The current price is 286.3% higher than this all-time low.
What was the highest price for this product?
▶
The highest recorded price for Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU was ₹354 on 18th Apr 2023. Right now you save 44.4% compared to the peak price.
What is the average selling price?
▶
Based on 243 data points, the average price of Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU is ₹210. The current price is 6% below average — a good indicator for buying.
What is the 3-month lowest price?
▶
In the last 3 months, the lowest price was ₹197 on 21st Sep 2026.
What is the 6-month lowest price?
▶
The 6-month lowest price for Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU was ₹197 on 21st Sep 2026.
Is the price going up or down?
▶
The current price trend for Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU is Falling. Prices have been decreasing recently, which means you may get an even better deal soon, or the current price could already be a good opportunity. It has been 1055 days since the last recorded low price.
Is this the lowest price recently?
▶
The current price is at its 6-month low. This is a notable dip in price and may not last long.
How does the current price compare to the average?
▶
The current price is 6.1% below the average price. You're getting a better-than-usual price. Worth considering if you've been waiting for a deal.
How much discount is available from MRP?
▶
You're currently saving 52% off the MRP (Maximum Retail Price). That's a massive discount! This is well below the listed retail price.
Should I buy this product now?
▶
Good deal. Score: 63/100 (Grade B) — the price is favorable and worth buying if you need it. There's still room for improvement, but this is better than most days. Price trend is currently falling. Currently 6.1% below average price.
What does the Deal Score mean?
▶
The Deal Score is a composite rating from 0 to 100 calculated by our algorithm. It considers five factors: Average Discount (how far below the long-term average), Recent Discount (short-term price performance), Historical Position (where the price sits in its all-time range), Low Proximity (closeness to the all-time low), and Trend Bonus (whether prices are falling). Grades are: S (90-100, Exceptional), A (75-89, Great), B (60-74, Good), C (45-59, Fair), D (30-44, Below Average), F (0-29, Not a Deal). This product currently has a score of 63 with 100% confidence.
Where can I buy this product?
▶
Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU is available on Amazon (amazon.in). Click the Buy Now button above to visit the product page directly. We recommend checking for available coupons and bank offers on the store page for additional savings.