- Replacement/Return: please CONTACT US before returning - Please feel free to contact us if there's any question or problem - Please take a video clip of the voltmeter and contact us if our sensor: 1. Goes above range between 0.1 and 0.9 volt 2. Remains below 0.5 volts 3. Stays fixed at a particular voltage 4. You're free to choose replacement or refund if our sensor fails to work, in this case.
Free shipping on all orders. No minimum purchase. It normally takes 1-2 business days for us to process your order. Please note that this does not include holidays and weekends. Shipping time will normally cost 2-8 business days. Shipping time is estimated and commences from the date of shipping, rather than the date of the order, and can take longer than expected date due to the invalid address, customs clearance procedures or other causes.