Gas leak alarm
Red: 11 natural gas alarm for pipeline natural gas, methane, biogas, plug-in socket.
Green: 11 LPG alarm for gas tanks, bottled LPG.
Applicable gas: square: natural gas/liquefied gas round: natural gas
Operating voltage: 110v-240v
Startup time: 180S+-10S
Alarm mode: general sound and light alarm, wi-fi version plus SMS reminder
Alarm volume: ≥70dB
Alarm default value: natural gas 7%LEL LPG 10%LEL
Sensor type: semiconductor
Sampling method :0-100%LEL
Range: natural diffusion
Environmental conditions: temperature 0° c-40 °C humidity <95%RH no frost
Service life :5 years (under normal service environment)
Simplified Policy Summary for UmSafe Store
Returns & Exchanges
- Return Period: 30 days from the date of receipt. Items must be unused, in original packaging, with proof of purchase.
- Non-Returnable Items: Perishables, custom, personal care products, hazardous materials, sale items, and gift cards.
- Exchange: Return the unwanted item and place a new order once the return is accepted.
How to Return
- Email UmSafeStore@gmail.com with your receipt or proof of purchase to initiate the process.
- We’ll provide a return shipping label and instructions. Items returned without prior approval won’t be accepted.
Refunds
- Refunds are processed within 10 business days upon receiving and inspecting the item.
- If more than 15 business days pass without a refund, contact UmSafeStore@gmail.com.
- Sale items are non-refundable.
Shipping Policy
- Free worldwide shipping for orders over $100. Processing takes 3–5 days; delivery is estimated at 7–35 business days.
- Pre-ordered/back-ordered items ship separately when available.
- Track your package via the confirmation email with the tracking ID.
Cancellations
- Orders can be canceled within 48 hours of placement. Refunds take 3–5 business days to process.
Damages & Issues
- Inspect your order upon delivery. Report any defects, damages, or wrong items within 72 hours to UmSafeStore@gmail.com.
Lost/Stolen Packages
- We are not responsible for lost/stolen packages. Contact the shipping carrier with tracking details for assistance.
European Union Cooling-Off Period
- EU customers can cancel or return orders within 14 days for any reason. Items must meet return conditions.
For more details or assistance, email us at UmSafeStore@gmail.com.
