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DFM 
Apr 17,2023 
Product Details
This is a wireless doorbell without a external source of electricity, built-in self-powered module. Our high-standard production makes the product perform very well with stablility, long distance, better sound quality, and rhythmic dazzling function.
Kinetic Doorbell Transmitter (L3S)
Doorbell Receiver (L3R)
Product specification
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2.1 Product parameters |
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S/N |
Performance parameters |
Parameter |
Note |
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1 |
Switch type |
Rebound reciprocating work |
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2 |
Power mode |
Energy harvesting to generate electricity |
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3 |
Decoding method |
OOK |
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4 |
Operating frequency |
433MHZ |
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5 |
Transmitting frequency |
13DBM |
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6 |
Control distance |
20m [Indoor] 80m[Outdoor] |
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7 |
Protection level |
IP42 |
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8 |
Number of keypad |
1 key |
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9 |
Mode of use |
Paired use of L3S+L3R |
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10 |
Shell material |
PC VO fire prevention |
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11 |
Product size L * W * H |
88*54*22mm |
Transmitter |
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88*54*22MM(Plug size is calculated separately.) |
Receiver |
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12 |
Product weight |
45g |
Transmitter |
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51.8g |
Receiver |
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13 |
Plug standard |
CN/UK/US/EU |
Receiver |
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14 |
Input voltage |
AC100～240V |
Receiver |
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15 |
Input frequency |
50/60Hz |
Receiver |
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16 |
Number of ringtones |
38 Chord Music |
Receiver |
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17 |
Volume |
4 levels of volume adjustable (up to 90DB) |
Receiver |
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16 |
Packing size L*W*H |
90*80*65mm |
Suit |
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17 |
Outer box size L * W * H |
530*370*290mm |
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18 |
Outer box weight G. W |
10KG/(75PCS) |
Suit |
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19 |
Certification |
CE/ROHS/UKCA |
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20 |
Life time |
50000 times |
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21 |
Product color |
White（WH） |
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Operation steps
① Insert the receiver into the plugboard (AC100-240V), press the key for 3-4 seconds until the indicator light flashes (slow flash);
② Press the Kinetic doorbell transmitter that needs to be paired;
③ When the receiver needs to add a transmitter, repeat the above actions, and the receiver can store up to 10 switch pairing information;
④ Press key 6-7S to clear all transmitter information.
Company Info
DFM,as a professional kinetic switch manufacturer and industrial solution supplier, has 68 global invention patents. A team of more than 10 professional D&R technicians ensures the stable quality and advanced technology of products. Our prodcution capacity has100,000pcs/month. Professional technology and production lead to good products and sevices. We provide a range of various wireless kinetic switches and receivers, other smart home wireless solutions to customers and also support ODM and OEM according to your requisition.
