universal bell/chool bell timer
1.Universal as AC or DC in case power off
2.80 times setting
3.Special for shcool and factory
Port: shanghai ningbo
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Day
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: CARTONS
Delivery Detail: 7DAY
Toone ZYT22-AD universal bell timer+school bell timer
Description:
This product designed with high performance microcomputer
chip, it can automatically switch on the ring on fixed time,
and realize automatic ring with max. 80 times one day.
It is of the highest accuracy, reliability & durability.
Application: It is widely used in school, factory and etc.
Features:
Specifications:
Dimensions: 195*175*85mm Max ringing time: 23h59m59s
Load capacity: AC terminal: resistive 2A; DC terminal: 2A
Error: 0.5s/day with automatic error adjustable functions
2s/day without automatic error adjustable functions
Power: less than 4W Weight: 510g
Condition temperature: -10-50°C
80groups alarm ringing time, with automatic and manual available
Battery: replaceable
Advantages:
1. AC220V and DC12V power can be used at the same time
2. Backup power. Once it loses power at schools or factories, it will be used by DC12V power