
1 / 4 · Click to enlarge
The PST-RQ400A Tuya Smart WiFi Natural Gas (CH4) Sensor by PST is a mid-range air quality sensor designed for everyday users. It features Item Type: Gas Sensor and Model No. / Name: RQ400A.
Available Offers
Free Delivery on this order. No minimum order value.
15-Day Easy Returns — hassle-free return & full refund.
Secure Payment — 100% safe checkout with UPI, Cards & Net Banking.
Available Offers
5% Cashback
Pay with UPI & get 5% cashback (up to ₹50) via Razorpay
No-Cost EMI
Available on select bank cards at checkout. 0% interest for 3 months.
Free Shipping
Free delivery on all orders. No minimum order value.
Cash on Delivery
COD available on orders up to ₹5,000 across India.
Quick Specs
Ideal For
About This Product
The PST-RQ400A Tuya Smart WiFi Natural Gas (CH4) Sensor by PST is a mid-range air quality sensor designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: Gas Sensor
- Model No. / Name: RQ400A
- Sensor Type: Natural Gas sensor
- Operating Voltage (V): 85-250V AC — works with standard household power
- Power Consumption (W): <1.5
- Detection Gas: Natural gas (CH4)
- Operating Temperature (°C): -10 to +50
- Length (mm): 60
Why Buy from Elecvora?
Elecvora sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

Features:
- Alarm Density: 6%LEL ± 3%LEL (CH4)
- Alarm Sound Level: 70 dB/m
- Support: All Tuya smart product linkage control
- Remote control of home appliances from anywhere via Tuya Smart App
- Manage multiple devices in one app with family sharing
- Voice control compatibility with Amazon Echo and Google Home
- Smart automation based on temperature, location, and time
- Quick and easy Tuya App connection, supports 2.4GHz WiFi (b/g/n)
- Compact, attractive design with plug-and-play installation
- Self-failure testing for reliability
- Detects natural gas (CH4) to prevent flammable gas hazards
- Operates on 85-250V AC power with energy-saving features
- Sensitive alarm minimizes false alerts, enhancing home security











