This 10-year smoke alarm has a build-in 10 year lithium battery, it is EN14604 approved, double blister packing, full color artwork could be custom.

Specification
1) Power supplied by Lithium battery; ElectroChemical system: Carbon Zinc; Battery Jacket: Metal
2) Photoelectric sensor
3) Red LED indicate alarm
4) Unique "battery missing" lockout
5) Low battery alarm
6) High sensitivity
7) Built in sounder to give a minimum sound output of 85dB at 3m
8) Senses smoke using the light scatter principle-quick response to visible Smouldering smoke, test button simulates smoke, use to check performance at least monthly, standby current ≤ 10uA, alarm current ≤ 30mA.
9) 10 year guarantee (limited)