First Alert 3120B Smoke Alarm

Hardwired alarm includes battery backup for power outages.This unit has 2 tabs on the top of the battery drawer. Simply press down on the tab and the battery will eject.refer the user manual.Photoelectric and ionization senso Age Group adult.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.