User Guide
21
Other limitations
This warranty is the complete and exclusive agreement between you and 
the manufacturer of this AT&T branded PRODUCT. It supersedes all other 
written or oral communications related to this PRODUCT. The manufacturer 
provides no other warranties for this PRODUCT. The warranty exclusively 
describes all of the manufacturer’s responsibilities regarding the PRODUCT. 
There are no other express warranties. No one is authorized to make 
modifications to this limited warranty and you should not rely on any such 
modification.
State/Provincial Law rights: This warranty gives you specific legal rights, 
and you may also have other rights which vary from state to state or 
province to province.
Limitations: Implied warranties, including those of fitness for a particular 
purpose and merchantability (an unwritten warranty that the PRODUCT is 
fit for ordinary use) are limited to one year from date of purchase. Some 
states/provinces do not allow limitations on how long an implied warranty 
lasts, so the above limitation may not apply to you. In no event shall the 
manufacturer be liable for any indirect, special, incidental, consequential, 
or similar damages (including, but not limited to lost profits or revenue, 
inability to use the PRODUCT or other associated equipment, the cost of 
substitute equipment, and claims by third parties) resulting from the use 
of this PRODUCT. Some states/provinces do not allow the exclusion or 
limitation of incidental or consequential damages, so the above limitation 
or exclusion may not apply to you.
Please retain your original sales receipt as proof of purchase.
7.
Limited warranty
REN 1.1B
Batteries Four AA alkaline batteries
Operating temperature 32°F - 122°F
0°C - 50°C
Technical specifications










