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| Products | Introduction | Select | | | Wireless Plug-in Doorbell | | QH-939(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Users can choose 15/24/32 pieces of optional melody
*Easy installation,no wires needed
*DIY kit to save you costly installtation fees
*LED indicator in the receiver
Frequency : 315MHz ± 0.5MHz / 433 ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-38dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V / 230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥0.6mW
Sound type : Strike Sound
Transmitter has eight different models available
Please click here to More Detail |
| | | | | | | | | | Wireless Plug-in Doorbell | | QH-927(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Users can choose 15/24/32 pieces of optional melody
*Waterproof transmitter
*Easy installation,no wires needed
*DIY kit to save you costly installtation fees
Frequency : 315MHz ± 0.5MHz / 433 ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-38dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V / 230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥0.6mW
Sound type : 15 / 24 / 32 sounds selectable
Transmitter has eight different models available
Please click here to More Detail |
| | | | Wireless Plug-in Doorbell | | QH-920(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Users can choose 15/24/32 pieces of optional melody
*Waterproof transmitter
*Easy installation,no wires needed
*DIY kit to save you costly installtation fees
Frequency : 315MHz ± 0.5MHz / 433 ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-38dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V / 230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥0.6mW
Sound type : 15 / 24 / 32 sounds selectable
Transmitter has eight different models available
Please click here to More Detail |
| | | | Wireless Plug-in Doorbell | | QH-229(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Ultra high frequency,transmission range up to 100 meters
*Realistic doorbell sound,loud
*You can choose from 15/24/32 pieces of optional melodies
*Waterproof transmitter
Frequency : 315MHz ± 0.5MHz / 433 ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-30dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V / 230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥0.6mW
Sound type : 15 / 24 / 32 sounds selectable
Transmitter has eight different models available
Please click here to More Detail |
| | | | Wireless Plug-in Doorbell | | QH-230(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Ultra high frequency,transmission range up to 100 meters
*Realistic doorbell sound,loud
*You can choose from 15/24/32 pieces of optional melodies
*Waterproof transmitter
Frequency : 315MHz ± 0.5MHz / 433 ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-30dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V / 230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥0.6mW
Sound type : 15 / 24 / 32 sounds selectable
Transmitter has eight different models available
Please click here to More Detail |
| | | | Wireless Plug-in Doorbell | | QH-068(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Traditional Ding-Dong sound
*Easy installation,no wires needed
*DIY kit to save you costly installtation fees
*Traditional transmitter
Frequency : 315MHz ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-30dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V/230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥220mW
Sound type : Double tone
Transmitter has eight different models available
Please click here to More Detail |
| | | | Wireless Plug-in Doorbell | | QH-269(AC) | Obtained CE (EMC,LVD,R&TTE),FCC,RoHS Approval
Features:
*The digital code transmitter-receiver systerm
*Traditional Ding-Dong sound
*Easy installation,no wires needed
*DIY kit to save you costly installtation fees
*Traditional transmitter
Frequency : 315MHz ± 0.5MHz
Receiving negative wave : ≤-57dbm
Transmitting negative wave : ≤-30dbm
Receiving quiescent current : ≤5W
Receiving working voltage : AC 110V/230V
Operating range : ≥100M (open area)
Transmitting working voltage :DC 12V 23A (included)
Transmitting power : ≥220mW
Sound type : Double tone
Transmitter has eight different models available
Please click here to More Detail |
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