x
Sorry, Something went wrong!
AMAZON
Robodo SEN21 MQ-4 Natural Gas Sensor, Arduino, ARM and Other MCU
₹249
₹305
18% OFF
6-Month Low
8-Month Low
Updated 10th Jun 2026, 12:39 PM
Buy Now
Price Analysis & Buying Guide
F
28 / 100
Not a Deal
Confidence: 100%
Avg Discount
0/28
Recent Discount
2.4/22
Historical Pos.
2.3/20
Low Proximity
13/20
Trend Bonus
10/10
Avg Price
₹210
6M Avg
₹255
All-Time Low
₹51
All-Time High
₹354
vs MRP
↓18.4%
Price Benchmarks
Lowest Ever
₹51
5th Nov 2023
Highest Ever
₹354
18th Apr 2023
Average Price
₹210
242 data points
3-Month Low
₹249
24th May 2026
6-Month Low
₹249
20th Jan 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 ₹249. Read our Pricing Disclosure
Similar Products
Product Details
| Product Code | B0787KN8B9 |
|---|---|
| Market Place | amazon.in |
| Store | Amazon |
| Brand | Robodo |
| Rating | 3.5 (15 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 388.2% 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 29.7% compared to the peak price.
What is the average selling price?
▶
Based on 242 data points, the average price of Robodo SEN21 MQ-4 Natural Gas Sensor Arduino ARM and Other MCU is ₹210. The current price is 18.6% above average. Consider waiting for a price drop.
What is the 3-month lowest price?
▶
In the last 3 months, the lowest price was ₹249 on 24th May 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 ₹249 on 20th Jan 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 983 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 18.7% above the average price. You may want to wait for a price drop unless you need it urgently.
How much discount is available from MRP?
▶
You're currently saving 18.4% off the MRP (Maximum Retail Price).
Should I buy this product now?
▶
Price is high. Score: 28/100 (Grade F) — we recommend waiting. The product has been available at significantly lower prices in the past. Price trend is currently falling.
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 28 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.